Acute coronary syndrome 2 Angina

Ischaemic or, rarely, spasmodic constriction of coronary arteries resulting in pain, usually precordial, pressing or crushing, and with or without radiation to jaw, neck or arms. The sedated, ventilated patient will not usually complain of pain but signs of discomfort may be apparent, e.g. sweating, hypertension, tachycardia. The ECG should be regularly scrutinised for ST segment and/or T wave changes.

Unstable angina encompasses a spectrum of syndromes between stable angina and myocardial infarction. Anginal attacks may be increased in frequency and/or severity, persist longer, respond less to nitrates, and occur at rest or after minimal exertion.

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