Unstable angina (UA) and non–ST-segment elevation myocardial infarction (NSTEMI) are acute coronary syndromes without ST-segment elevation (NSTE-ACS) that are differentiated from one...
Chest heaviness/tightness lasting ≥10 minutes; with or without exertion, typically retrosternal and can radiate to the neck, jaw, interscapular area, upper extremities, or epigastrium...
Initial ABCDs, assess clinical stability (adequate oxygenation) and determine next step
Risk stratify (TIMI or GRACE score) to select invasive approach (coronary angiography w...
Patients with low-risk suspected ACS who have normal serial ECGs and cardiac troponin levels may have a treadmill ECG, stress myocardial perfusion imaging, or str...
I24.9 Acute ischemic heart disease, unspecified
I20.0 Unstable angina
I21.4 Non-ST elevation (NSTEMI) myocardial infarction
394659003 Acute coronary syndrome (disorder)
4557003 Preinfarct...
NSTEMI is diagnosed in patients who present with symptoms consistent with ACS and elevated troponin levels, but without EKG changes suggestive of STEMI.
UA can present similarly to NSTE...
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