BRADY 605 - Sensor Technology

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Across
  1. 1. a disadvantage of minute ventilation is that it is a relatively ____ response.
  2. 4. the nominal setting for recovery time
  3. 7. how can we diagnose chronotropic incompetence? patient history, telemetry monitoring, exercise testing, ______ monitoring.
  4. 11. if the sensor is too sensitive, the sensor indicated rate histogram will have a chaotic distribution, often on the _________ end of the HR spectrum.
  5. 12. disadvantages of the crystal are that vibrations that generate an electrical signal may not represent true ___________ demand. (such as tapping on case)
  6. 13. maximum sensor rate describes the highest ______ pacing rate allowed during rate responsive pacing.
  7. 15. the ___________ refers to a sensor specific setting regarding what size sensor signal is required to initiate sensor drive (increase in HR/rate response)
  8. 18. minute ventilation is used in __________ rate modulated pacemakers
  9. 20. the most widely used sensor is the omnisense ______________
  10. 22. refers to the amount of time it takes to increase HR from base rate to sensor indicated rate. parameters include very fast, fast, slow, very slow.
  11. 26. max sensor rate is between 80 and 180ppm. with intervals of 5 between 80ppm and 150ppm. and intervals of ____ between 160ppm and 180ppm.
  12. 28. maximum heart rate = 220 - ____
  13. 29. the nominal setting for reaction time
  14. 33. positives of the piezoelectric crystal are ease of implant, rapid response, special lead not required and ___ drain on battery
  15. 35. the ________ _______ ________ histogram displays how the pacemaker would pace if it was driving the base rate.
  16. 36. auto slope measures that patients activity data for _______ days and assigns future activity to one of the sixteen settings based on this historical data
  17. 39. the ___________ __________ is a nonphysiologic sensor
  18. 40. the ________ setting for the MSR is 110ppm
  19. 43. when an individual breathes _______ and deeper, the minute ventilation sensor will increase the heart rate.
  20. 44. an automatic algorithm that adjusts the rate-responsive slope according to changes in patient-specific activity
  21. 45. for patients living a more active or varied lifestyle, the slope settings should be programmed ___________ as opposed to using auto slope
  22. 48. if the sensor is too sensitive, adjust ___ factor at a time (eg raise threshold or lower slope), and reassess at follow up session.
  23. 50. one disadvantage of the omnisense accelerometer in picking up signals is that some types of upper body motion (eg riding a ___________) may not be indicative of true metabolic need.
  24. 51. chronotropica incompetence can be caused by: normal aging, drugs, SA node disease, ____
  25. 52. slope is programmable to 1, 2, _____ or 16. with ____ being the automatically selected parameter.
  26. 53. which is right? auto slope recommended value is auto +0.0 (first) for auto+2.0 (second)?
Down
  1. 1. the magnetic ball sensor is used only in the _______ chamber microny device
  2. 2. the prediction model for setting sensor settings (for rate response) can be adjusted/set by setting patient parameters (through wand/model) and then engaging in activity with patient (wlaking for a few minutes) you then see a modelled Programmed Behavior _____ which shows what the sensor was doing during this time.
  3. 3. the piezolectric crystal sensor is bonded to the inside of the pacemaker case. when muscle activity occurs, 'micro-_________' generate an electrical signal which is sensed by the crystal.
  4. 5. when sensor is programmed to ____ it records sensor data but does not respond to sensor signals by increasing or decreasing pacing rate
  5. 6. what is the programmable value that describes the max rate at which the ventricle will be paced in response to sensed atrial events with 1:1 AV synchrony at programmed AV delay?
  6. 8. changes in horizontal acceleration caused by rhythmic body movement are picked up by which type of sensor?
  7. 9. the omnisense accelerometer is bonded to the ________ board via a vertical piece.
  8. 10. the recommended setting for _____ _________ is auto-0.5 (lower offset requires less activity to increase pacing rate.
  9. 14. _____ of the four sensor types are nonphysiologic.
  10. 16. refers to the speed at which sensor indicated heart rate decreases back to base rate. includes fast, medium, slow, very slow.
  11. 17. one advantage of the accelerometer over the crystal is that it does not respond to _______ or tapping
  12. 19. (2 words) the max __________ rate refers to pacing in the ventricle, the max _______ rate refers to pacing in the atrium.
  13. 21. instead of using manual exercise testing to fine tune the sensor model, a _________ model is now used, which reduces follow up time and does not take a physical toll on patients.
  14. 23. is the omnisense accelerometer physiologic or nonphysiologic?
  15. 24. the physiological sensor
  16. 25. four types of sensors: piezoelectric crystal, omnisense accelerometer, minute ventilation and ______ ______.
  17. 26. minute ventilation sensors use __________ _________ measurements between a bipolar lead and the can
  18. 27. some individuals are physiologically unable to increase their heart rate in the presence of increased metabolic demand. these individuals are ______________ incompetent.
  19. 30. chronotropically incompetent individuals come in different forms. _______ response to metabolic need to increase rate, inability to maintain higher HR for long, or inability to raise heart rate at all.
  20. 31. auto slope is an algortithm that works best in patients who lead a very routine or ___________ lifestyle
  21. 32. if the sensor is not __________ enough (eg as indicated by sensor indicated rate histogram showing all of the potential paced events in one bucket) you can do a couple of things: lower the threshold, increase the slope.
  22. 34. advantage of the minute ventilation sensor system is that is gives a true physiologic response and will respond as such to emotional stress and ______
  23. 37. when sensor is programmed ____ it both senses signal and increases or decreases pacing rate
  24. 38. auto threshold number of 'measured average sensor' is collected over how many hours?
  25. 41. the sensor parameter that determines the rate and extent of increase in heart rate for a given level of activity. the higher the ________ the higher the heart rate for any given level of activity.
  26. 42. the magnetic ball uses no ______ energy and is only activated when the patient is upright, not lying down.
  27. 44. the measured __________ sensor is a number calculated over eighteen hours and is depicted as a number from 1 to 7. used in the auto threshold algorithm.
  28. 46. the heart rate histogram refers to sensed or paced _______ activity.
  29. 47. an _____ histogram displays % of time spent in PV, PR, AV, AR, PVE, AMS etc.
  30. 49. MSR is ________% of the maximum heart rate (MSR = a% x (220-age))