Ankle-brachial index and simultaneous dual arm
Contents
1. WatchBP office f Ankle brachial index and simultaneous dual arm measurement function for K accurate office blood pressure measurement instruction Manual 7 a microlife WatchBP Office ABI is a professional automatic office blood pressure measurement device which can determine the ankle brachial index ABI and inter arm difference IAD fast and accurately The ABI is a measure for the assessment of peripheral arterial disease The WatchBP Office ABI can perform automated dual arm measurements for the most reliable IAD In addition the WatchBP office ABI can detect atrial fibrillation with high reliability ABI IAD and Afib are all important prognostic indicators for cardiovascular risk which make the WatchBP office ABI an important tool in the screening for cardiovascular risks 1 Joseph Wiesel Lorenzo Fitzig Yehuda Herschman and Frank C Messineo Detection of Atrial Fibrillation Using a Modified Microlife Blood Pressure Monitor American Journal of Hypertension 2009 22 848 852 2 GSStergiou N Karpettas A Protogerou E G Nasothimiou and M Kyriakidis Diagnostic accuracy of a home blood pressure monitor to detect atrial fibrillationHome monitor for atrial fibrillation Journal of Human Hypertension 2009 23 654 658 microlife Table of Contents Product description Name of parts and display cece eeceseeeeeeee 3 4 Components and accessories 5 6 Before using WatchBP Off2. preferred side is determined in SCREEN Mode 2 Press the M Button to adjust the measurement E EE EAE U T AN CU Li connecia a ss left cuff socket and the ankle cuff is connected to interval then press the Start Stop Button to terok oke confirm the device will go back to stand by K J Mode 2 Switch to ABI Mode Slide the Mode Switch D to ABI Mode The supine position reminder will display 15 30 45 60 The default measuring interval is 15 seconds The JIL interval can be setas 15 30 45 or 60 seconds ABI ROUTINE SCREEN Additional visual instruction can be found on the cuff 19 microlife i WatchBP office Special Functions 6 Start measurements Press the Start Stop 8 Display of the measurement values Hiding measurement values 1 Activate the Hide Function Press M button Button to start the measurement The measurement values will be displayed The WatchBP Office ABI device features a Hide Lor R flashes keep pressing and holding the M and the Ankle brachial index is automatically function in order to prevent unnecessary elevated Button for 7 more seconds until On or Off flashes n calculated when the measurement is completed blood pressure in patients due to nervousness The Ankle brachial index and the blood pressure triggered by visible blood pressure values Lor R flashes I AA value display first the brachial index value is replaced by the pulse value for 3 seconds All t
3. part SN Serial number aal Manufacturer Microlife reserves the right to alter technical specfications without prior written notice 38 Gt Guarantee card This device is covered by a two year Name guarantee and accessories are cover by Address a one year guarantee from the date of purchase This guarantee is valid only on presentation of the guarantee card Date completed by the owner confirming date of Telephone purchase or purchase receipt E mail Product WatchBP Office ABI Product Number TWIN200 ABI Date p9 microlife WatchBP office Europe Middle East Africa Microlife WatchBP AG Espenstrasse 139 9443 Widnau Switzerland Tel 41 71 727 7000 Fax 41 717277011 Email watchbp microlife ch www watchbp com il Asia Microlife Corporation 9F 431 RuiGang Road NeiHu Taipei 114 Taiwan R O C Tel 886 2 8797 1288 Fax 886 2 8797 1283 Email watchbp microlife com tw www watchbp com Read the instructions carefully before using this device North Central South America Microlife Medical Home Solutions Inc 2801 Youngfield St Suite 241 Golden CO 80401 USA Tel 1 303 274 2277 Fax 1 303 274 2244 Email watchbp mimhs com www watchbp com IB WatchBP Office TWIN200 ABI 100410
4. L Serial Port Recharge Indicator Display M Button Memory Mode Switch Start Stop Button PUL min WatchBP office m HIDE e Le ABI ROUTINE SCREEN 1 0 switch Main Adaptor Socket Battery Compartment ls o LJ o 3 microlife Display Mean Arterial Pressure MAP Pulse Pressure PP Mode Indication External Power Atrial Fibrillation Detection Rest and Arm Position Reminder Supine Position Reminder Battery Symbol Hide Display Memory Mode ABI indicator and Pulse Rate Heart Beat L R Cuff WatchBP office Value for Left Arm Systolic Value Diastolic Value Inter arm Difference Value for Right Arm Systolic Value Diastolic Value i i WatchBP office WatchBP Office ABI and components Selective Cuffs for upper arm and ankle For upper arm microlife AC Adaptor X1 Input 100 240V 50 60Hz 0 48A Output 7 5V 2A WatchBP Office ABI Blood Pressure Device M Medium size L Large size standard delivered L XL Large to extra arge size Serial Port Connecting Cable standard delivered 32 42 cm 12 6 16 5 inches to be ordered 22 32 cm 8 7 12 6 inches With air tube 130 cm 32 52 cm 12 6 20 5 inches With air tube 130 cm With air tube 130 cm For ankle Cuff for upper arm M size 22cm 32cm X2 L size 32cm 42cm X2 S M Medium
5. arms at fixed one minute intervals The results of these three measurements are then averaged to conclude the blood pressure measurement GGG Ld 60 sec 60 sec The measuring intervals are fixed at one minute in SCREEN mode The arm with the higher blood pressure value should be taken for ABI measurement or future blood pressure measurements Determine the proper arm and inter arm difference If the difference of blood pressure readings between two arms is more than 20mmuHg for Systolic or 10mmHg for Diastolic at all three measurements the device indicates the arm with the higher blood pressure value by showing L or Rand the IAD icon The IAD icon and readings of the higher arm flash to indicate that more attention is needed ap akin SCREEN N r gt g C bom N d Dry Mg Seq Ney vos ao aoa ES aes vim en e WatchBP office Taking measurements using WatchBP Office ABI 3 Switch to SCREEN Mode Slide the Mode Switch to SCREEN Mode Mil ot es ABI ROUTINE SCREEN SCREEN Mode 1 Turn on the power Turn on the device by switching the 1 0 switch at the back of the device to the ON position a 2 Apply the cuff Properly fit one cuff to each of the patient s arms 4 Inflation by fuzzy logic The device will adjust inflation pressure by fuzzy logic technology Addition
6. switching the 1 0 switch at the back of the device to the ON position iit ABI ROUTINE SCREEN 2 Apply the cuff Properly fit one cuff to the preferred measurement arm 4 Select the inflation cuff Set the device to the preffered measurement side left or right Press and hold the M Button for 3 seconds Press and hold for 3 seconds Additional visual instruction can be found on the cuff 15 microlife i WatchBP office Taking measurements using WatchBP Office ABI cont 5 Press the M Button to switch between left L and 7 Three consecutive measurements Skipping the countdown time Taking less than three measurements right R Press the Start Stop Button to save the The device will take three consecutive The 60 seconds countdown before measurement in The measurement sequence can be stopped setting measurements with 15 second intervals in SCREEN Mode and 15 seconds in ROUTINE Mode at anytime by pushing the Start Stop Button between on default can be skipped by pushing the Start Stop Button SCREEN Mode or ROUTINE Mode The device While the Start Stop Button is pushed the device will enters stand by and the remaining measurements n n n Chee DE tond D C5 D ond C3 immediately begin the next measurement are cancelled Average of the measurements is saved and can be viewed by pushing the M Button 8 Inflation by fuzzy logic The d
7. al visual instruction can be found on the cuff 13 microlife Taking measurements using WatchBP Office ABI cont 5 Start measurements Press the Start Stop Button to start the measurement sequence A 60 second countdown will proceed the first measurement l Dr 0 ie m 2 E Ls oF 60 second n E countdown m 6 Three consecutive measurements The device will take three consecutive measurements with one minute intervals between measurements C DS ond 6LF ae CG 7 The average value of the measurements The average value will be displayed after the measurements If one of the three measurements failed a fourth measurement will be conducted PP MAP D CEZ o PP a a vat us w l Sp a Lp a La ag r at mal j T at Gap vat So Ne om CEZ L C eR j Pos Sp Vos Sip mat 04 Nowe me MAP Sp ws p bt Dag We im og When the measurements are completed the blood pressure measurement corresponding with the consistently higher arm will blink continuously for 5 seconds If no significant difference 20 mmHg for systolic and or 10 mmHg for diastolic blood pressure exists between the two arms neither measurement will blink WatchBP office ROUTINE Mode 3 Switch to ROUTINE Mode Slide the Mode 1 Turn on the power Turn on the device by Switch to ROUTINE Mode
8. e use charge the batteries until the recharge indicator turns to green An orange recharge indicator means recharge in progress A green recharge indicator means recharge is completed Using a power adaptor Please only use the Microlife adaptor supplied with the WatchBP Office ABI to recharge the device 1 Plug the adapter cable into the Power Plug of the WatchBP Office ABI device 2 Plug the adaptor plug into the wall socket When the power adaptor is connected no battery power is consumed 31 microlife Troubleshooting Problem Possible cause How to make correction No power No LCD display Power supply is not properly plugged in Battery is fully discharged Plug power supply into wall socket Recharge the rechargeable battery by plugging in the power supply Cuff does not inflate properly Loose connection of the tube Make sure the tube of the cuff is securely connected to the device Leakage of the tube or bladder Check for cracks on the tube or the bladder Please contact Microlife customer service for this issue No result displayed between measurements The Hide function is activated Disable hide function or Use ROUTINE mode to measure the blood pressure Error messages If an error occurs during measurement the measurement is interrupted and an error message Err is displayed e Pl
9. ease contact your local Microlife service center if the error persists Ir e If you think the results lt 7 3 are unusual please read through the information in this instruction manual carefully v4 Error Description WatchBP office Potential cause and remedy Err 1 Signal too weak The pulse signals on the cuff are too weak Re position the cuff and repeat the measurement Err 2 Error signal During the measurement error signals were detected by the cuff caused for instance by movement or muscle tension Repeat the measurement keeping your arm still 33 microlife Err 3 No pressure in the cuff An adequate pressure cannot be generated in the cuff A leak may have occurred Replace the batteries if necessary Repeat the measurement Err 5 Abnormal result The measuring signals are inaccurate and no result can therefore be displayed Read through the checklist for performing reliable measurements and then repeat the measurement HI Pulse or cuff pressure too high The pressure in the cuff is too high over 300 mmHg OR the pulse is too high over 200 beats per minute Relax for 5 minutes and repeat the measurement LO Pulse too low The pulse is too low less than 40 beats per minute Repeat the measurement 35 microlife WatchBP office Sa
10. evice will Skip the countdown time adjust inflation pressure by fuzzy logic E and begin measurement 6 Start measurements Press the Start Stop Ie CrInCNOgY Button to start the measurements 9 The average value of the measurements Cancel remaining The average values will be displayed when The device can be set into Stand by Mode by pressing oO D measurements at the measurements are completed and will be the Start Stop Button after the completion of anytime during M saved to the memory automatically measurements The device will automatically switch to the measurement D 15 second ZD l Stand by Mode if left unattended for five minutes sequence countdown The user can manually set the measurement intervals of 15 30 45 or 60 seconds in ROUTINE Mode Please refer to special functions section page 19 Setting up 2 Stand by mode measurement intervals 17 microlife WatchBP office Setting measuring intervals in ROUTINE ABI Mode Mode 1 Turn on the power Turn on the device by 3 The patient has to lie down in supine position 1 Pressing and holding the Start Stop Button for 3 switching the 1 0 switch at the back of the 4 Apply the cuff Properly fit the arm cuff to the seconds device into the ON position upper arm and the ankle cuff to the leg of the Press and hold preferred measurement side of the body The for 3 seconds a
11. fety care accuracy test and disposal Safety and protection This device may be used only for the purpose described in this booklet The device comprises of sensitive components and must be treated with caution The manufacturer cannot be held liable for damage caused by incorrect application Observe the storage and operating conditions described in the Technical specifications section of this manual A Protect the device from water and moisture Ensure that children do not use the device XE Protect the device from direct sunlight unsupervised some parts are small enough to be swallowed Protect the device from extreme heat and cold e Only activate the pump when cuff is installed Avoid proximity to electromagnetic fields such as those produced by mobile phones e Do not use the device if you think it is damaged or if anything appears unusual e Read the further safety instructions in the individual sections of the instruction manual Never open device Y OS e Do not connect the device to a computer until prompted to do so by the computer software Protect device from impact and drops Device care Clean the device with a soft dry cloth Accuracy test We recommend the WatchBP Office ABI device be tested for accuracy every 2 years or after mechanical impact e g being dropped Please contact Microlife to arrange for an accuracy test Cleaning the cuff DO NOT wa
12. he values are saved automatically 2 Select ON or OFF Press the M Button again to turn the Hide function ON or OFF Sa r sOnc 7 Inflation by fuzzy logic The device will D hee A urr nw adjust inflation pressure automatically by fuzzy logic technology 3 Confirm Press Start Stop to confirm the setting This feature is only available in ROUTINE mode n Sa l When the Hide function is ON the countdown 2A between each measurement and the Hide icon will The default setting of Hide in SCREEN Mode is set display to ON and cannot be set to OFF 21 microlife Special Function cont MAP Mean Arterial Pressure PP Pulse Pressure The WatchBP Office ABI device measures the true The WatchBP Office ABI device provides the pulse mean arterial pressure MAP of the patient Each pressure PP of the patient pulse pressure systolic measurement includes a single MAP value The diastolic pressure Each measurement includes average measurement will display the average MAP the calculation of a single PP value The average value When viewing in Memory mode the MAP measurement will display the average PP value value will be displayed with the systolic and diastolic When viewing in Memory mode the PP value will be pressure once every 5 seconds displayed with the systolic diastolic pressure once every 5 seconds id The Mean Arterial Pressure MAP in thi
13. ice ABI Selecting and fitting the correct cuff T8 Application of the ankle Cuff cee ceeeeeseeeeees 9 Three operation modes KABI MOJ 2 ee ee a 10 ROUTINE ModE sar ee2ne tts icteadehanestanteseenetaraniers 11 CS CREE O N OO a E E E 12 13 Inter arm difference IAD cecsssssceseeeeenee 13 Taking measurements using WatchBP Office ABI SCREEN MOGE 21ss ennsganpsadestacnaontsooushopionieess 14 16 ROUTINE ModE 5 cassie ancssaccnradarssanveccotlentates 17 19 ABPM OO E 20 21 WatchBP office Special Functions Hiding measurement VAIUES ceceeeseeseeeeeees 22 Mean arterial pressure and pulse pressure 23 Atrial fibrillation detection ccc eeeeseeeeees 24 25 ABI Ankle Brachial Index ccceceseseeseeeeeeees 26 Taking less than two measurements 0006 27 Skipping the countdown tiMe cceseeseeeeees 27 Setting measurement intervals cece 28 Viewing deleting and transferring Measurements SCREEN and ROUTINE Mode c ccccseeeeees 29 KABI MOCO serana 30 Appendix Rechargeable battery and power adaptor 31 TROUBIES OO tN assia 32 EITO MESSAGES ce sorserictpaccvp ance ettameanstanegeceeenes 33 34 Safety care accuracy test and disposal 35 36 Technical Specifications ccccseeeeseeteeseeees 37 Product description Name of parts Cuff Socket
14. in ROUTINE Mode When the measurements of ROUTINE mode are performed the results of the three individual measurements can be seen by pressing the M Button for 3 seconds when the average value is being displayed The values of the three measurements are displayed one by one Press and hold for 3 seconds when the average is being displayed I or G gt H G The individual readings in SCREEN Mode and ROUTINE Mode will not be saved when the device is turned off Only the average value will be saved 27 microlife Viewing deleting and transferring Measurements cont Viewing MAP and PP values Ten seconds after display of the average blood pressure value the values for Pulse Pressure PP and Mean Arterial Pressure MAP are displayed 10 D Me y 4 T seconds HE i ce 7 oer E Sh Deleting measurements 1 2 3 All the data in different modes can be deleted Press the M Button and hold it for 12 seconds until the he CL symbol is displayed then release the M Button Press the M Button again while the CL symbol is flashing The deleting is confirmed by the beep sound yoda noid tor 12 N 5 D N l7 mm n Transferring measurements Installation of the software program 1 2 3 S 7 nN WatchBPoffices N Put the CD in the CD ROM drive of your computer or click on setup exe in the CD s directory alternatively Follow the inst
15. ing the measurement arm 5 6 WatchBP office It may result in incorrect blood pressure readings if the cuffs are not fitted properly Use a different size cuff if the range Index at the end of the cuff does not fall into the range specified by the range stripes Apply the same steps to the other arm if a double arm measurement is required The range index of cuff should X fall into this range 7 microlife WatchBP office Three operation modes Application of the ankle cuff 3 Wrap and tighten the cuff around the leg Select an operation mode ABI Mode in ABI mode 4 Leave alittle free space between the leg of The WatchBP Office ABI device includes three Select ABI Mode for Ankle Brachial 1 The patient has to lie down in supine position the patient and the cuff Two fingers should fit operation modes ABI ROUTINE and SCREEN measurement Select the arm with the higher 2 Place the ankle cuff on the leg Make sure the between the leg and the cuff Inter arm difference Use the Mode Switch to select blood pressure value as determined with the edge of the ankle cuff lies approximately 2 to 3cm 2 3 cm the desired mode SCREEN Mode 3 4 to 1 inch above the ankle and notice that the artery mark is on the posterior tibial artery 3 4 to 1 inch Protocol Embedded posterior tibial artery elt g ABI ROUTINE SCREEN 9 microlife 10 EY Three ope
16. ration modes cont ROUTINE Mode Select ROUTINE Mode to perform automated duplicate measurements on the preferred arm for prompt and accurate office measurements ESH Protocol Embedded JIL ABI ROUTINE SCREEN Automated triple measurements In ROUTINE Mode the WatchBP Office ABI device automatically takes three consecutive measurements at 15 second intervals on default The readings of these two measurements are averaged to produce the routine visit blood pressure measurement CGC Ld 15 sec 15 sec The user can manually set measurement intervals of 15 30 45 or 60 seconds in ROUTINE Mode Please refer to special functions section page 19 Setting measurement intervals 11 microlife SCREEN Mode Select SCREEN Mode to complete fully automated triple measurements on both arms according to recommended ESH AHA blood pressure measurement protocols for a patient s first office visit ESH Protocol Embedded e oe ABI ROUTINE SCREEN WatchBP office Simultaneous dual arm measurements In SCREEN Mode the WatchBP Office ABI device measures the patient s blood pressure on both arms simultaneously which helps to determine the arm with the highest blood pressure value and reveals other potential cardiovascular risks Automated triple measurements In SCREEN Mode the WatchBP Office ABI device automatically takes three consecutive measurements on both
17. ructions provided in the installation window on the computer screen When installation is finished be sure to restart the computer before you start working with the program System Requirements 550MHz CPU 256MB Memory 1024x768 pixel resolution 256 color CD ROM drive 1 free USB port 40MB free hard lyzer Office ABI N P disk space Microsoft Windows 2000 XP Vista WatchBP office Transferring data to the computer 1 Start the software program and connect the device to the computer using the cable supplied 2 Asuccessful connection is displayed by Connected on the computer screen 3 Enter identity number Patient Name and Surname to create a new record 29 microlife Software commands Refer to the software user manual for detailed information and instructions Perform a measurement Stop ameasurement Click Measure Click Stop Store data Click Save View data Click View Memory Close Click Close Please read the software menual to know more details of the software operation commands WatchBP office Rechargeable battery and power adaptor Rechargeable Battery WatchBP Office ABI equips with a built in rechargeable Ni MH battery pack which delivers up to 400 500 measurement cycles The batteries can be recharged while the power adaptor is plugged in It doesn t affect the measurement E First tim
18. s a common heart rhythm problem It affects more than 2 million people in North America It is more common in older age and itis found in 18 individuals aged 85 years and older It is a common cause of major strokes About 15 of all strokes are caused by atrial fibrillation The elderly or those with high blood pressure diabetes or heart disease are more likely to get a stroke if they have atrial fibrillation Atrial fibrillation is a rhythm problem that can last from a few minutes to days or weeks and even years Atrial fibrillation can cause blood clots in the upper chambers of the heart the atria These clots can break off and flow to the brain causing a stroke The use of blood thinners such as warfarin can lower the risk of a stroke in patients with atrial fibrillation A doctor can confirm the presence of Afib by using an ECG Sometimes Afib is present incidentally Therefore a doctor may not see it on regularly scheduled visits One method of detecting Afib is by mean of palpations This method is not very reliable Failure of detecting Afib may lead to the occurrence of a stoke in the end whereas early detection may lead to early treatment that can significantly reduce the chances of a stroke ABI Ankle Brachial Index The systolic blood pressure values of a person s arm and leg need to be measured In order to determine ABI Ankle Brachial Index The ankle brachial index ABI is then calculated using the q
19. s device is determined from the maximum peak of the oscillometric envelope curve 23 microlife Appearance of the atrial fibrillation indicator for early detection The WatchBP Office ABI is designed to detect asymptomatic atrial fibrillation during blood pressure measurements in the SCREEN Mode If two out of three measurements in the SCREEN Mode detect atrial fibrillation the Afib icon is displayed This device is able to detect atrial fibrillation with high accuracy a sensitivity of 97 and a specificity of 89 If the atrial fibrillation icon is displayed after the measurement it is recommended to visit a doctor Joseph Wiesel Lorenzo Fitzig Yehuda Herschman and Frank C Messineo Detection of Atrial Fibrillation Using a Modified Microlife Blood Pressure Monitor American Journal of Hypertension 2009 22 848 852 GS Stergiou N Karpettas A Protogerou E G Nasothimiou and M Kyriakidis Diagnostic accuracy of a home blood pressure monitor to detect atrial fibrillationHome monitor for atrial fibrillation Journal of Human Hypertension 2009 23 654 658 WatchBP office This device detects atrial fibrillation a major cause of stroke Not all risk factors for stroke including atrial flutter may be detected by this device This device may not detect atrial fibrillation in people with pacemakers or defibrillators Special Function cont About Atrial Fibrillation Atrial fibrillation i
20. sh the cuff DO NOT iron the cuff cover Do not wash the cuff AA Do not iron the cuff Disposal Batteries and electronic instruments must be disposed of in accordance with the locally applicable regulations and not as domestic waste 37 microlife Technical specifications Operation temperature humidity Storage temperature humidity Weight Dimensions Measuring method Measurement range Cuff pressure display Voltage source e 10 to 40 C 50 to 104 F e 20 to 55 C 4 to 131 F e 15 90 relative maximum humidity e 1100 g including rechargeable battery pack e 200 x 125 x 90 mm e Oscillometric corresponding to Korotkoff e 30 280 mmHg blood pressure e 40 200 beats per minute pulse e Range 0 299 mmHg e Resolution 1 mmHg e Static accuracy pressure within 3 mmHg or 2 of reading gt 200mmHg e Pulse accuracy 5 of the readout value e Rechargeable battery pack 4 8V C4000 mAh e Mains adapter DC 7 5V 2A WatchBP office Reference to Standards Device corresponds to the requirements of the standard for non invasive blood pressure monitor EN 1060 1 EN 1060 3 EN 1060 4 IEC 60601 1 IEC 60601 1 2 Electromagnetic Device fulfills the stipulations of the compatibility standard IEC 60601 1 2 C 0 0 4 4 The stipulations of the EU Directive 93 42 EEC for Medical Devices Class Ila have been fulfilled Type BF applied Reference number
21. size standard delivered L Medium size to be ordered a Cuff for ankle cecuchionianual 22 32 cm 8 7 12 6 inches 32 42 cm 12 6 16 5 inches eS M size 22cm 32cm X1 Quick Start Guide With air tube 200 cm With air tube 200 cm Please contact Microlife or its distributor to purchase L XL size or other size cuffs 5 microlife 6 EE Before using WatchBP Office ABI Selecting the correct cuff Fitting the cuff properly Two different sizes of cuffs for upper arms are provided 1 Place the cuff over the left or right upper with the WatchBP Office ABI Medium and Large Use arm so that the air tube and artery mark the cuff marker to select the cuff size that best matches arrow point toward the lower arm the circumference of the patient s upper arm 2 Lay the cuff on the arm Make sure that the M Medium size lower edge of the cuff lies approximately 2 to 22 32 cm 8 7 12 6 inches 3cm 3 4 to 1 inch above the elbow With air tube 130 cm L Large size 32 42 cm 12 6 16 5 inches With air tube 130 cm Connect the cuff to the device by inserting the cuff connector into the cuff connector socket B 2 3 cm 3 4 to 1 inch 3 Wrap and tighten the cuff around the arm 4 Leave alittle free space between the arm of the patient and the cuff Two fingers should fit between the arm and the cuff Clothing must not constrict the arm Remove all clothing covering or constrict
22. uotient of the systolic pressure from the leg measurement and the systolic pressure from the arm measurement be 4 Om ap x ZI l i 4 i7 Gy ws ee ap lt a wm WatchBP office A low ankle brachial index ABI is indicative of systemic vascular disease and should place a patient in the high risk category 25 microlife Viewing deleting and transferring measurement readings Viewing measurements 1 Press the M button the total number of measurements stored is displayed e g 12 then the readings of the measurement is displayed afterward 2 Pressing the M button repeatedly to view the measurement values in memory one by one Memory Total of 30 measurement readings in three modes can be stored in memory automatically 30 Measurements T i bw is Se Lim e vf Z Pe vm Ss vim When the memory of the device is full each new measurement will automatically overwrite the first measurement View the values of three measurements in SCREEN Mode When the measurements of SCREEN mode are performed the results of the three individual measurements can be seen by pressing the M Button for 3 seconds when the average value is being displayed The values of the three measurements are displayed one by one Press and hold for 3 seconds when the average is being displayed C G WatchBP office View the values of three measurements
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