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Diseases of the circulatory system
문제
The cardiac monitor shows a ______ rhythm, with P waves visible but varying P-R intervals before each QRS complex.
1
Mobitz
✓ 정답
2
regular
3
junctional
4
sinus
5
wandering
해설
Mobitz rhythm, specifically Mobitz type I (Wenckebach), is characterized by progressive lengthening of the PR interval until a QRS complex is dropped. This pattern indicates second-degree AV block and results from progressive delay in AV nodal conduction.
같은 주제 다음 문제 The patient's EKG shows significant ST ______ in leads V2 through V4, suggesting acute ant… 임상 시나리오 Cardiac Rhythm Abnormalities:
핵심 개념
Mobitz — A type of second-degree atrioventricular block characterized by progressive lengthening of PR intervals before a dropped QRS complexregular — Having a consistent and uniform pattern in cardiac rhythm with equal intervals between beatsjunctional — A cardiac rhythm originating from the AV junction, characterized by absent or inverted P wavessinus — Normal heart rhythm originating from the sinoatrial node with regular P waves followed by QRS complexeswandering — A cardiac rhythm characterized by varying P wave morphology and PR intervals due to shifting atrial pacemaker sites
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