15 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs - Ischemia ... leads with STE in avR ... inversion in avL ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Morphology = multifocal ... in aVR Poor R wave ... • Lateral (I + aVL ... #diagnosis #system
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... predictor of recurrent ischemic ... Subepicardial atrial ... EKG findings: Sinus ... #cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... Multifocal atrial ... #tachycardia #cardiology ... #diagnosis #ekg ... electrocardiogram #clinical #comparison
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
Reciprocal STD in I & aVL ... in aVL 5. ... InferoPosterior transmural ischemia ... #Clinical #Cardiology ... #EKG #STEMI #InferoPosterior
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
leads indicates atrial ... be present in all ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology ... #EKG #Pericarditis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... of the leads l, aVL ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
also a result of atrial ... • Dominant R Wave ... leads) RV Ischemia ... Changes • STE in aVR ... Embolism #AcutePE #diagnosis
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Multifocal Atrial ... of a variable P-wave ... #cardiology #ekg ... #comparison
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Framework STEMI ... , not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... #cardiology #ecg