CORRECT ANSWERS FULL SOLUTION
●● Lithium Iodine/ silver V?
Answer: 3.2V Qhr- used for ICDS
●● Which is an example of a closed loop sensor?
Answer: myocardial contractility and O2 stat
●● Primary Sensor
Answer: detects changes in normal physiologic responses
●● Secondary
Answer: detects internal changes from exercise- QT MV pH
●● Tertiary
Answer: detects changes as a result of exercise- piezo accelerometer
●● The smaller the cathode surface the-
Answer: higher the current density, lower the threshold, and higher the
impedance (2-6mm as small as 1.2)
, ●● Anode should be how much bigger than the cathode?
Answer: 3xs (4-20mm in pacing leads)
●● ICD tip electrodes tend to run-
Answer: 2-10mm
●● Rv coil size?
Answer: 300-600mm
●● SVC coil size?
Answer: 400-860mm
●● OHMS LAW
Answer: V=I * R
●● ENERGY EQUATION (uJ)
Answer: V * I* PW
●● I is what?
Answer: Current- flow of electrons through a circuit