NYU ECG EXAM | QUESTIONS AND ANSWERS |
2025/2026 UPDATE | ALREADY PASSED!!
Atrial depolarization happens at the Answer - P wave
Ventricular depolarization happens at the Answer - QRS complex
Ventricular repolarization happens at the Answer - T wave
Relative refractory period Answer - T wave, prolonged by digoxin
PR Interval Answer - 0.12-0.2
QRS Answer - <0.12
Sinus Tachycardia Answer - -Normal rhythm
-BPM >100
Sinus Tachycardia causes Answer - Fever, exercise, hypotension, PE, MI, stress,
anxiety
Sinus Bradycardia Answer - -Normal rhythm
-BPM <60
, Sinus Bradycardia causes + tx Answer - Causes: increased vagal tone, inferior
wall MI, hypothyroidism, drugs (beta blockers, digoxin, morphine,
hypothyroidism)
Tx: epinephrine + atropine
Sinus block Answer - R to r regularity resumes
Sinus arrest Answer - R to r regularity does not resume, timing is off
PAC Answer - -Rhythm regular except PAC
-Premature P waves
PAC Causes + Tx Answer - Causes: alcohol, caffeine, tobacco, digoxin, hypoxia,
electrolyte imbalance, COPD
Tx: none, observe
SVT Answer - Rhythm: regular
Rate: >160
SVT causes + tx Answer - Causes: alcohol, caffeine, tobacco, dig toxicity,
hypoxia, electrolyte imbalance, COPD, valvular heart disease
Tx: vagal maneuvers, adenosine, cardioversion
Atrial flutter Answer - - Regular or irregular
2025/2026 UPDATE | ALREADY PASSED!!
Atrial depolarization happens at the Answer - P wave
Ventricular depolarization happens at the Answer - QRS complex
Ventricular repolarization happens at the Answer - T wave
Relative refractory period Answer - T wave, prolonged by digoxin
PR Interval Answer - 0.12-0.2
QRS Answer - <0.12
Sinus Tachycardia Answer - -Normal rhythm
-BPM >100
Sinus Tachycardia causes Answer - Fever, exercise, hypotension, PE, MI, stress,
anxiety
Sinus Bradycardia Answer - -Normal rhythm
-BPM <60
, Sinus Bradycardia causes + tx Answer - Causes: increased vagal tone, inferior
wall MI, hypothyroidism, drugs (beta blockers, digoxin, morphine,
hypothyroidism)
Tx: epinephrine + atropine
Sinus block Answer - R to r regularity resumes
Sinus arrest Answer - R to r regularity does not resume, timing is off
PAC Answer - -Rhythm regular except PAC
-Premature P waves
PAC Causes + Tx Answer - Causes: alcohol, caffeine, tobacco, digoxin, hypoxia,
electrolyte imbalance, COPD
Tx: none, observe
SVT Answer - Rhythm: regular
Rate: >160
SVT causes + tx Answer - Causes: alcohol, caffeine, tobacco, dig toxicity,
hypoxia, electrolyte imbalance, COPD, valvular heart disease
Tx: vagal maneuvers, adenosine, cardioversion
Atrial flutter Answer - - Regular or irregular