2025 Actual Exam from Credible Sources with
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.04-.10 - CORRECT ANSWER: QRS complex duration
.08 secs - CORRECT ANSWER: ST length
.10 seconds - CORRECT ANSWER: Duration of P wave
.12-.20 - CORRECT ANSWER: Duration of PR Interval
1st Degree Block - CORRECT ANSWER: PR >.20 (long PR) and normal QRS
-PR consistently long
No intervention needed
2nd degree (Type II) - CORRECT ANSWER: Consistent long PR and QRS complex
dropped every 2,3 or 4th beat
2nd degree type 2 tx - CORRECT ANSWER: -Transvenous pacemaker
-Atropine
-Isuprel
-Dopamine/Epi IV
-BP support with liquids
-R/O dig toxicity