13 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Serial EKGS in pts ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Colonic Thumbprint Sign ... on Abdominal XRay ... : UC and CD • infection ... (e.g. pseudomembranous ... #radiology #KUB
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... Triage EKG (no prior ... Differential/diagnosis ... #Embolism #ECG ... #EKG #Electrocardiogram
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Sister had MI in ... Differential/diagnosis ... RV, McConnell's sign ... A4c #clinical #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... #Ischemia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... Algorithm Red ... (e.g., fever, myalgia ... (e.g., meningitis ... Matthew Ho, MD PhD
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Short QT <300-360 ms ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... STE: "Pardee's sign ... QRS complex Pulmonary ... #cardiology #ecg ... #ekg #electrocardiogram
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
• PH (mean PAP ... RV dysfunction. e.g ... forward flow. e.g ... artery #catheter #diagnosis ... #cardiology #swanganz