54 results
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
in aVR, a true sign ... sign of left main ... #Clinical #EM #IM ... #Cardiology #EKG ... #STElevations #STE
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... big R or R/S>I STEMI ... Equivalents / Don't Miss Signs ... #EKG #diagnosis
It starts as sinus rhythm with probable inferior STEMI, but becomes ventricular fibrillation (or polymorphic ventricular
probable inferior STEMI ... #Clinical #EM #Cardiology ... #EKG #Arrest #VentricularTachycardia
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
Hordeolum (Stye ... (Meibomian or Zeiss ... eyedrops, surgery #Clinical ... #Diagnosis #Management ... Ophthalmology #Hordeolum #Stye
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Sgarbossa Criteria - Diagnostic ... Checklist for diagnosing ... Criteria - Suspect STEMI ... V1-V3 c) STE ... #Checklist #EKG
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... counting of HR by EKG ... waves • Pseudo-STEMI ... #cardiology #diagnosis ... #clinical
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... STEMI - Elevation ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis
Now there is additional ST elevation in lateral leads, also diagnostic of STEMI. #Clinical #EM #Cardiology
lateral leads, also diagnostic ... of STEMI. ... #Clinical #EM #Cardiology ... #EKG #STEMI #Inferior
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
ECG of a 55-year-old ... Recognize this #ECG ... STE in II, III, ... #Clinical #Cardiology ... #EKG #STEMI #InferoPosterior