마이메르시 — 문제와 상세 해설까지 전부 무료 무료로 시작하기

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

문제

The patient experienced _____, a temporary loss of consciousness due to reduced blood flow to the brain.

Source: Scene from Grey's Anatomy Season 3, Episode 12

1 syncope ✓ 정답
2 vertigo
3 seizure
4 coma
5 stupor

해설

Syncope is a sudden, brief loss of consciousness caused by decreased cerebral blood flow. It's often preceded by prodromal symptoms like lightheadedness, sweating, and tunnel vision. Common causes include vasovagal response, orthostatic hypotension, and cardiac arrhythmias. Recovery is typically rapid and complete.

같은 주제 다음 문제Patient's arterial blood gas shows severe ______, with pH 7.1 and elevated PaCO2.

임상 시나리오

1. Syncope:
- Temporary loss of consciousness
- Caused by reduced cerebral blood flow
- Common symptoms: dizziness, sweating, pallor
- Types: vasovagal, orthostatic, cardiogenic
- Usually lasts seconds to minutes

2. Differential Diagnosis:
- Vertigo: sensation of spinning
- Seizure: abnormal electrical brain activity
- Coma: prolonged unconsciousness
- Stupor: decreased alertness, responsive to pain

3. Risk Factors:
- Dehydration
- Standing for long periods
- Heart conditions
- Medications
- Heat exposure

4. Management:
- Supine position
- Fluid replacement
- Identify underlying cause
- Preventive measures
- Monitor vital signs

5. Clinical Assessment:
- Medical history
- Physical examination
- ECG evaluation
- Orthostatic BP testing
- Neurological examination

핵심 개념

syncope — A temporary loss of consciousness due to insufficient blood flow to the brain, often characterized by sudden onset and quick recovery
vertigo — A sensation of spinning or dizziness caused by disturbance in the balance organs of the inner ear
seizure — A sudden, uncontrolled electrical disturbance in the brain that can cause changes in behavior, movements, or consciousness
coma — A state of deep unconsciousness from which a person cannot be awakened, often resulting from severe injury or illness
stupor — A state of near-unconsciousness or unresponsiveness, where a person can only be aroused by vigorous physical stimulation

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성장을 멈추지 마세요

The patient experienced _____, a temporary loss of consciousness due to reduced blood flow to the brain.

임상 시나리오

핵심 개념

마이메르시로 국가고시 완벽 대비