10 results
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
QRS complex of normal ... #VT #VTach #SVT ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
big R or R/S>I STEMI ... deWinter T waves - starts ... T wave in V1 - normal ... #EKG #diagnosis ... electrocardiogram #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
captured beats (normal ... hybrid complex of normal ... point) of S > 100 ms ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... STEMI - Elevation ... (or 40-60 ms after ... #EKG #diagnosis ... #differential #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
V1 (Invert III normal ... de pointes • Short ... @AmyChung #EKG ... Electrocardiogram #cardiology ... #diagnosis #system
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
apple") should sit ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... Elevation of Normal ... #cardiology #ecg ... #ekg #electrocardiogram
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
Tendon: Normal ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK ... Atlas #Clinical #Radiology ... #Comparison
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... 500 DANGER - Short ... QT <300-360 ms: ... #EKG #diagnosis ... electrocardiogram #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
have a low or normal ... SVR. ... Ahmed Ghoneem, MD MSc ... artery #catheter #diagnosis ... #cardiology #swanganz