Clinical manifestations-pericardial tamponade
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Cardiogenic shock (hypotension, fatigue) without pulmonary edema
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Dyspnea (seen in ~85%) may be due to ↑ respiratory drive to augment venous return
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症狀:胸痛、暈厥前兆或暈厥、呼吸困難或呼吸急促、端坐呼吸
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體格檢查:低血壓、心動過速、JVP 升高、無肺爆裂音、心音減弱、心包摩擦音(罕見)、外周水腫
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矛盾脈(吸氣時收縮壓降低>10 mmHg)
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ECG:不敏感或特異:心動過速、低電壓(肢體導聯最大 QRS 振幅 <0. mV)、電交替、無急性心肌缺血特徵
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ECG Triad: TLDR: 快、低壓、Alt
- Sinus tachycardia
- Low voltage
- Electrical alternans
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chest radiograph:不敏感或特異,可能顯示擴大的心臟輪廓、胸腔積液、清晰的肺實質