8 results
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Coronary Syndrome (ACS ... #Diagnosis #Cardiology ... #ACS #Unstable ... #Angina #NSTEMI ... : The Only EKG Book
Suspected ACS - OMI vs STEMI - Differential Algorithm

The name STEMI cognitively inspires EPs to fail
OMI vs STEMI - Differential ... segment is the only ECG ... #OMI #STEMI #Differential ... #Algorithm #cardiology ... myocardial #infarction #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... diagnosis includes ... • Classic EKG ... #ekg #differential ... #cardiology
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... troponin elevation Diagnosis ... changes on tele/ECG ... perform provocative tests ... #cardiology #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... wave inversion in avL ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... of the leads l, aVL ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... Prinzmetal's Angina ... #diagnosis #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
determine if stress test ... Obtain EKG if: ... one post op Cardiology ... Unstable Angina ... stratification #diagnosis