11 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... artery (LMCA). left anterior ... Subepicardial atrial injury ... #electrocardiogram ... cardiology
Orthopedic Fracture Classification - Pelvic and Lower Limbs
Letournel Classification Acetabular Fractures:
 • Simple Types: Anterior column,
Simple Types: Anterior ... column, Anterior ... (high risk of AVN ... Type IA, Type IB ... Tarsometatarsal Injury
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Dominant R wave in aVR ... Septal (V1-2) • Anterior ... de pointes • Short ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- early inferior ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI ... 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
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... V-pacemaker, ↑K, ICD ... 500 DANGER - Short ... #EKG #diagnosis ... #electrocardiogram
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Differential/diagnosis ... leads (II, III, AVF ... #EKG #Electrocardiogram ... #clinical #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... depression in aVR ... depression in aVR ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
over the left anterior ... SpO2 88% on room air ... Due to their short ... over the left anterior ... #Radiology #CTChest