CARDIAC- HEALTHSTREAM
TELEMETRY TEST EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
Normal Conduction System - ANS -SA Node = Primary Pacemaker of the Heart, rate of 60-100
bpm
-Internodal Pathways = Pathways connecting SA Node and AV Node
-AV Node = Backup pacemaker, rate of 40-60 bpm
-Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of
heart
-L & R Bundle Brancehs = lead to left & right of the myocardium
-Purkinje Fibers / Network = ends of the muscle, last escape pacemaker sites rate of 14-40
Tele Strip Paper - ANS -Small box = 0.04 sec
-Large boxes = 5 x 5 small boxes, 0.20 sec
SA Node Rate - ANS 60-100 bpm
AV Node Rate - ANS 40-60 bpm
Ventricles / Purkinje Fibers Rate - ANS 20-40 bpm
1 @COPYRIGHT 2025/2026.
, Tele Tracing Waves - ANS P-wave
-PR-Interval (PRI) = 0.12 - 0.20 sec
-QRS complex = 0.08-0.12 sec
T-wave
Q-wave
U-wave
Normal PRI - ANS 0.12-0.20 sec (3-5 small squares)
-Indicates AV conduction time
-Measure from P wave start to QRS wave
-Consider heart blocks if abnormal
Normal Etiology SA Node - ANS Firing of SA Node causing depolarization of Atria. The
impulse travels from SA node, through internodal pathways to AV node, where it is delayed for
short amount of time. (PRI)
Tele Tracing QRS Complex - ANS Q-Wave = 1st Negative Deflection
R-Wave = 1st Postive Deflection
S-Wave= Negative Deflection following R-Wave
Normal QRS Complex - ANS 0.08-0.12 sec (2-3 small squares)
Duration of this will lengthen when electrical activity takes a long time to travel through the
heart. Normal conduction, AV node -> His-Purkinje system -> fast duration of this complex
Consider BBB or Ventricular origin if higher
2 @COPYRIGHT 2025/2026.
TELEMETRY TEST EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
Normal Conduction System - ANS -SA Node = Primary Pacemaker of the Heart, rate of 60-100
bpm
-Internodal Pathways = Pathways connecting SA Node and AV Node
-AV Node = Backup pacemaker, rate of 40-60 bpm
-Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of
heart
-L & R Bundle Brancehs = lead to left & right of the myocardium
-Purkinje Fibers / Network = ends of the muscle, last escape pacemaker sites rate of 14-40
Tele Strip Paper - ANS -Small box = 0.04 sec
-Large boxes = 5 x 5 small boxes, 0.20 sec
SA Node Rate - ANS 60-100 bpm
AV Node Rate - ANS 40-60 bpm
Ventricles / Purkinje Fibers Rate - ANS 20-40 bpm
1 @COPYRIGHT 2025/2026.
, Tele Tracing Waves - ANS P-wave
-PR-Interval (PRI) = 0.12 - 0.20 sec
-QRS complex = 0.08-0.12 sec
T-wave
Q-wave
U-wave
Normal PRI - ANS 0.12-0.20 sec (3-5 small squares)
-Indicates AV conduction time
-Measure from P wave start to QRS wave
-Consider heart blocks if abnormal
Normal Etiology SA Node - ANS Firing of SA Node causing depolarization of Atria. The
impulse travels from SA node, through internodal pathways to AV node, where it is delayed for
short amount of time. (PRI)
Tele Tracing QRS Complex - ANS Q-Wave = 1st Negative Deflection
R-Wave = 1st Postive Deflection
S-Wave= Negative Deflection following R-Wave
Normal QRS Complex - ANS 0.08-0.12 sec (2-3 small squares)
Duration of this will lengthen when electrical activity takes a long time to travel through the
heart. Normal conduction, AV node -> His-Purkinje system -> fast duration of this complex
Consider BBB or Ventricular origin if higher
2 @COPYRIGHT 2025/2026.
