13 results
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Coronary Syndrome (ACS ... is reflected by ECG ... #Diagnosis #Cardiology ... #ACS #Unstable ... #Angina #NSTEMI
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... inversion - STE avR ... wave inversion in avL ... electrocardiogram #cardiology ... Interpretation #differential
Suspected ACS - OMI vs STEMI - Differential Algorithm

The name STEMI cognitively inspires EPs to fail
Suspected ACS - ... OMI vs STEMI - Differential ... segment is the only ECG ... #OMI #STEMI #Differential ... #Algorithm #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ST elevation: Differential ... #AVR #leadAVR #ecg ... #differential # ... cardiology
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
perspective: II, III & aVL ... inferior leads), I & aVL ... contiguous I, aVL ... #STEMI #Localization ... EmergencyMedicine #Cardiology
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
ECG of a 55-year-old ... Reciprocal STD in I & aVL ... Biphasic T-wave in aVL ... #Clinical #Cardiology ... #EKG #STEMI #InferoPosterior
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Vasospastic (Prinzmetal) Angina ... younger than other ACS ... Pathophysiology: ... changes on tele/ECG ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... ST elevation in aVR ... of the leads l, aVL ... #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
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... and Differential ... Systemic Vasdilation, AV ... #Differential # ... Diagnosis #cardiology