NYU ECG EXAM WITH CORRECT ANSWERS ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Atrial depolarization happens at the - correct answers✔✔P wave
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Ventricular depolarization happens at the - correct answers✔✔QRS complex||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Ventricular repolarization happens at the - correct answers✔✔T wave ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Relative refractory period - correct answers✔✔T wave, prolonged by digoxin
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PR Interval - correct answers✔✔0.12-0.2
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QRS - correct answers✔✔<0.12
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Sinus Tachycardia - correct answers✔✔-Normal rhythm
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-BPM >100 ||\\||\\
Sinus Tachycardia causes - correct answers✔✔Fever, exercise, hypotension, PE, MI, stress,
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anxiety
Sinus Bradycardia - correct answers✔✔-Normal rhythm
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-BPM <60 ||\\||\\
Sinus Bradycardia causes + tx - correct answers✔✔Causes: increased vagal tone, inferior wall
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MI, hypothyroidism, drugs (beta blockers, digoxin, morphine, hypothyroidism)
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, Tx: epinephrine + atropine
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Sinus block - correct answers✔✔R to r regularity resumes
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Sinus arrest - correct answers✔✔R to r regularity does not resume, timing is off
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PAC - correct answers✔✔-Rhythm regular except PAC
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-Premature P waves ||\\||\\ ||\\||\\
PAC Causes + Tx - correct answers✔✔Causes: alcohol, caffeine, tobacco, digoxin, hypoxia,
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electrolyte imbalance, COPD ||\\||\\ ||\\||\\
Tx: none, observe
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SVT - correct answers✔✔Rhythm: regular
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Rate: >160 ||\\||\\
SVT causes + tx - correct answers✔✔Causes: alcohol, caffeine, tobacco, dig toxicity, hypoxia,
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electrolyte imbalance, COPD, valvular heart disease ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Tx: vagal maneuvers, adenosine, cardioversion
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Atrial flutter - correct answers✔✔- Regular or irregular
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- Atrial rhythm 250-400, ventricular varies
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-Sawtooth
Atrial depolarization happens at the - correct answers✔✔P wave
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Ventricular depolarization happens at the - correct answers✔✔QRS complex||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Ventricular repolarization happens at the - correct answers✔✔T wave ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Relative refractory period - correct answers✔✔T wave, prolonged by digoxin
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PR Interval - correct answers✔✔0.12-0.2
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QRS - correct answers✔✔<0.12
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Sinus Tachycardia - correct answers✔✔-Normal rhythm
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-BPM >100 ||\\||\\
Sinus Tachycardia causes - correct answers✔✔Fever, exercise, hypotension, PE, MI, stress,
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anxiety
Sinus Bradycardia - correct answers✔✔-Normal rhythm
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-BPM <60 ||\\||\\
Sinus Bradycardia causes + tx - correct answers✔✔Causes: increased vagal tone, inferior wall
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MI, hypothyroidism, drugs (beta blockers, digoxin, morphine, hypothyroidism)
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, Tx: epinephrine + atropine
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Sinus block - correct answers✔✔R to r regularity resumes
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Sinus arrest - correct answers✔✔R to r regularity does not resume, timing is off
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PAC - correct answers✔✔-Rhythm regular except PAC
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-Premature P waves ||\\||\\ ||\\||\\
PAC Causes + Tx - correct answers✔✔Causes: alcohol, caffeine, tobacco, digoxin, hypoxia,
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electrolyte imbalance, COPD ||\\||\\ ||\\||\\
Tx: none, observe
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SVT - correct answers✔✔Rhythm: regular
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Rate: >160 ||\\||\\
SVT causes + tx - correct answers✔✔Causes: alcohol, caffeine, tobacco, dig toxicity, hypoxia,
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electrolyte imbalance, COPD, valvular heart disease ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Tx: vagal maneuvers, adenosine, cardioversion
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Atrial flutter - correct answers✔✔- Regular or irregular
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- Atrial rhythm 250-400, ventricular varies
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-Sawtooth
