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Cardiology / Cardiovascular

STEMI - RCA Dominant

ICD-10 Code
I21.19_2

Comprehensive clinical criteria for STEMI - RCA Dominant

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents with acute onset of substernal chest pressure, radiating to the jaw and epigastrium, associated with diaphoresis, nausea, and lightheadedness. Symptoms began [Time] ago, described as [Quality: crushing/squeezing] and rated [Scale: 1-10] in severity. No prior history of similar symptoms. ECG confirms ST-segment elevation in leads II, III, and aVF, consistent with acute inferior wall myocardial infarction involving a dominant RCA.

Clinical Examination Findings

General: Patient appears distressed, diaphoretic, and pale. Vitals: Tachycardic/Bradycardic, Hypotensive/Hypertensive, O2 sat [Value]%. Cardiovascular: S1/S2 present, no murmurs, rubs, or gallops. JVD noted. Lungs: Clear to auscultation bilaterally or bibasilar crackles present. Extremities: Cool, clammy, no peripheral edema. Neurological: Alert and oriented x3, no focal deficits.

Treatment Protocol

Immediate management initiated: Aspirin 325mg chewed, P2Y12 inhibitor (Ticagrelor/Clopidogrel) administered. IV access secured; Heparin bolus/infusion started. Morphine/Nitroglycerin administered for pain management per protocol. Patient prepared for emergent cardiac catheterization and primary PCI of the RCA. Monitoring for bradyarrhythmias or AV blocks secondary to RCA occlusion.

Detailed clinical guide coming soon.