Acute Coronary Syndrome: Myocardial Infarction, Emergency Medicine

Imbalance in myocardial blood supply and oxygen requirement

Acute coronary syndrome (ACS) encompasses a spectrum of disease processes:

• Unstable angina pectoris

• Acute myocardial infarcti...

Chest pain:

• Most common presentation of MI

• Substernal pressure

• Heaviness

• Squeezing

• Burning sensation

• Tightness

Anginal equivalents (MI without chest pain):

• Abdominal pain

• Syncope

• Dia...

IV access

Aspirin

Oxygen

Cardiac monitoring

Sublingual nitroglycerin for symptom relief

12-lead ECG, if possible, with transmission or results relayed to receiving hospital

Patients with an AMI require hospital admission.

If the diagnosis is unclear, admission to the hospital or an ED observation unit may be useful for serial cardiac...

Goal of thrombolytic therapy is a 30 min door to needle time if PCI not possible.

New or presumably new LBBB at presentation occurs infrequently, and should not be considered diagno...

Filippo  C, Giovanna  L. Pathogenesis of acute coronary syndromes. J Am Coll Cardiol.  2013;61:1–11.

Hartman  SM, Barros  AJ, Brady  WJ. The use of a 4-step algorithm in the ele...

410.90 Acute myocardial infarction, unspecified site, episode of care unspecified

410.91 Acute myocardial infarction of unspecified site, initial episode of care

410.92 Acute myocardial infarc...