120 results
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated ... aPTT / PT - Differential ... MatthewHoMD #Elevated ... INR #Algorithm #Hematology ... #differential #
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Elevated Transaminases ... Transaminitis - Differential ... Transaminitis #Elevated ... Transaminases #hepatitis #Differential ... Diagnosis #causes #hepatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Thrombocytosis - Elevated ... Platelet Count - Differential ... → Refer to hematology ... • Nonmalignant hematologic ... Thrombocytosis #Platelets #Differential
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Diagnosis Algorithm Elevated ... Herpes simplex Elevated ... #skinlesions #dermatology ... #Differential #
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness • Elevated ... weakness, rash • Elevated ... Normal or mildly elevated ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... vasculitis • Erythema elevatum ... Vasculitis #skin #dermatology ... #rheumatology # ... differential #diagnosis
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
performed) • Clinical ... Cardiovascular MRI Clinical ... Abnormal ECG, echocardiogram ... Heart failure • Elevated
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Others #LFTs #Hepatology ... #LiverEnzymes #Differential
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm Elevated ... Polycythemia #Vera #PV #Differential ... Diagnosis #Algorithm #hematology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Tests (LFTs) - Differential ... #Tests #LFTs #Differential ... #Diagnosis #hepatology