35 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... - Synovium - Oral ... #diagnosis #msk ... #physicalexam
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
• Most common ... sites: hip, shoulder ... • Differentiate ... #diagnosis #causes ... #hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
amoxicillin) Oral ... Viral: HSV, EBV, HIV ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... Blood #Disorders #hematology ... #Markers #Differential ... #Diagnosis #Algorithm
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... Diagnosis Framework ... etc) - Viral: HIV ... Cirrhosis with portal ... #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
also arise in normal ... involvement Differential ... Diagnosis of B-Symptoms ... #differential # ... hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... Ig A vasculitis/HSP ... #Diagnosis #hematology ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
polyangiitis (GPA) is common ... disease or more commonly ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Elevated ESR, Normal ... : elevated CK (uncommon ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Ober's Test for TFL/ITB Inflammation

With the patient in the lateral position, affected side up.  The
, flexing the hip ... leg towards the table ... (hip adduction) ... In a normal test ... #video #physicalexam