131 results
De Winter's T Waves - Acute Sign of Proximal LAD Occlusion #Diagnosis #Cardiology #EKG #ECG #DeWinters
Waves - Acute Sign ... of Proximal LAD ... Occlusion #Diagnosis ... #Cardiology #EKG ... #ECG #DeWinters
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
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
to chronic lung disease ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential Diagnosis ... Algorithm Signs ... Hypersplenism, Infection ... Matthew Ho, MD PhD ... #Algorithm #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... #hematology #anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... aciduria, Drugs (e.g ... Non-megaloblastic: Liver disease ... Matthew Ho, MD PhD ... #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... (e.g. ... Inflammation, Chronic Infection ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Chronic kidney disease ... infiltration (e.g ... Marrow suppression (e.g ... Intrinsic RBC defects (e.g ... #diagnosis #calculation
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
Guidelines • Severe Disease ... • Non-Severe Disease ... immunosuppressive agent (e.g ... Vasculitis #Management #Treatment ... Guidelines #algorithm #rheumatology
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Colonic Thumbprint Sign ... inflammatory bowel disease ... : UC and CD • infection ... (e.g. pseudomembranous ... #radiology #KUB