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KAISER EKG PRACTICE TEST 2026 QUESTIONS WITH ANSWERS AND STEP-BY-STEP ECG WAVEFORM ANALYSIS

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KAISER EKG PRACTICE TEST 2026 QUESTIONS WITH ANSWERS AND STEP-BY-STEP ECG WAVEFORM ANALYSIS

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KAISER EKG PRACTICE TEST 2026 QUESTIONS
WITH ANSWERS AND STEP-BY-STEP ECG
WAVEFORM ANALYSIS

◉ contraction.
Answer: cardiac cells shorten = muscular contraction in response to
electrical stimulus


◉ sa node.
Answer: - primary pacemaker of heart
- 60-90 bpm


◉ av node.
Answer: delay = atrial contraction + ventricular filling
- 40-60 bpm


◉ bundle of his.
Answer: ability to self initiate electrical activity
- 40-60 bpm


◉ purkinje fibers.

,Answer: network of fibers that carry electrical impulse to
ventricular muscle cells
- 20-40 bpm


◉ NSR
Brady
Tachy
SVT
Junctional
Ventricular rhythm.
Answer: NSR 60-100
Brady 40-60
Tachy >100
SVT >150
Junctional 40-60
Ventricular rhythm 20 - 40


◉ PR interval.
Answer: 0.12-0.20
beginning of p to beginning of qrs


◉ qrs interval.

, Answer: < 0.12
beginning of q to end of s


◉ qt interval.
Answer: beginning of q to end of t
- heart rate dependent


◉ is rhythm regular or irregular.
Answer: measure interval between R waves


◉ ventricular rate.
Answer: - count # of qrs complexes


◉ atrial rate.
Answer: - count # of p waves


◉ causes of bradycardia.
Answer: - vagal
- dig, beta blockers
- compensatory response in acute MI
- ischemic heart disease
- sick sinus. synd

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