11 results
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Flutter Typical atrial ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology ... Flutter #Types #Classification
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Serial EKGS in pts ... are crucial. ... Wellens #Sign #EKG ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Posterior Cruciate ... Clinical Findings Classification ... PCL Iniuries • Partial ... #PCL #Injury #MSK ... #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... progression, LA: left atrium ... #Diagnosis #Cardiology ... Dysfunction #Grading #Classification
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
: WPW, ectopic atrial ... Short QT <300-360 ms ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Diamond-Forrester classification ... Ask about: - Changes ... - History - EKG ... ACS #Evaluation #diagnosis ... #Algorithm #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... segment at (or 40-60 ms ... elevation in aVR • Posterior ... #Equivalents #ECG ... #EKG #diagnosis
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... forward flow. e.g ... Ahmed Ghoneem, MD MSc ... artery #catheter #diagnosis ... #cardiology #swanganz