16 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Diagnosis Framework ... Knee Effusion ... physicalexam
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
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
fraction < 20% Differential ... Diaqnoses: • ... Coxsackie, CMV, EBV, HIV ... CK, normal biopsy ... Pulmonary: pleural effusion
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
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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... ITP - APLS - HIT ... #Causes #dermatology ... #physicalexam
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
HoTN, edema and effusions ... initiation • Differential ... Diagnosis: Infection ... 500 mg QD until normal ... #management #hematology