The cardiac monitor shows ______ beats, indicating that elec… | 마이메르시 MyMerci
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Diseases of the circulatory system
문제

The cardiac monitor shows ______ beats, indicating that electrical signals from the ventricles are occurring earlier than expected.

Good Doctor Season 4 Episode 7
해설
Premature beats, specifically premature ventricular contractions (PVCs), occur when the ventricles contract earlier than they should in the normal cardiac cycle. These are visible on cardiac monitors as early beats that typically have a different morphology than normal beats.
같은 주제 다음 문제The patient's EKG shows significant ST ______ in leads V2 through V4, suggesting acute ant…

임상 시나리오

Key Points:
- Premature Ventricular Contractions (PVCs)
- Early depolarization of ventricles
- Abnormal electrical impulse originating in ventricles
- Common cardiac arrhythmia
- Characteristics on ECG:
* Wide QRS complex
* No preceding P wave
* Compensatory pause
- Common causes:
* Caffeine
* Stress
* Electrolyte imbalance
* Heart disease
* Medications
- Assessment findings:
* Palpitations
* Skipped beats
* Irregular pulse
- Treatment options:
* Beta blockers
* Calcium channel blockers
* Antiarrhythmic medications
* Lifestyle modifications

핵심 개념

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