Solutions
what rhythm results when these characteristics are found on an EKG tracing?
rate:66
rhythm: regular
p wave: uniform and consistent
QRS complex: 0.05 seconds
PR interval : 0.12 seconds Correct Ans-c, normal sinus rhythm
which rhythm would be shown on a patient who has a high fever due to infection? Correct
Ans-a, sinus tachycardia
which rhythm is often found in patients receiving cardiac medications? Correct Ans-b,
sinus bradycardia
which rhythm is typically associated with respiration? Correct Ans-b, sinus arrhythmia
what type of PVC is potentially dangerous to a patient due to where it falls in the cardiac
cycle? Correct Ans-c, R-on-T phenomenon
, certified cardiographic tech CCT- Test with Complete
Solutions
if a patient has an occlusion to the left anterior descending (LAD) corner artery which location
of the heart will likely be affected? Correct Ans-d, interventricular septum and the anterior
left side
what does the EKG machine record? Correct Ans-b, The movement of sodium into the
cardiac cell at the same time the potassium moves out of the cell
<—P S—>
what does a QRS wave on the EKG tracing indicate? Correct Ans-c, ventricular
depolarization
what is true regarding inverted P waves found in lead II on an EKG tracing? Correct Ans-c,
conduction occurred in a retrograde manner
what is the sudden change in electrical charge within a cell that can be recorded on the EKG as
indicated by the P wave and QRS complex? Correct Ans-b, depolarization
what does the PR interval represent in a normal cardiac cycle? Correct Ans-c, atrial
depolarization and AV delay
what supplies or equipment may be necessary when performing a resting EKG? Correct
Ans-a, patient gown