152 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
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Causes of Knee Effusions ... Seronegative Reactive Syndrome ... Effusions: - Hematologic ... Osteochondroma Hematologic ... #Effusions #causes
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Involvement, Spares DIP, Carpal ... Tunnel, Sicca Syndrome ... Scleritis, Heart Disease ... RA #diagnosis #rheumatology ... #signs #symptoms
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
Visual or auditory symptoms ... conjunction with symptoms ... and less common diseases ... Inflammatory causes ... polychondritis • Behcet disease
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... constitutional symptoms ... Unresolved Radicular Symptoms ... • Cauda Equina ... Syndrome • Spondyloarthropathies
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Bone marrow disease ... Kasabach-Merritt syndrome ... Von Willebrand disease ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
PT, aPTT(liver disease ... pylori test (GI symptoms ... bypass), LFT (liver disease ... or if a primary hematologic ... #Workup #hematology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Lemierre's syndrome ... Malignancy: - Hematologic ... vasculitis to cause ... Differential #Diagnosis #causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... Conditions: • Cauda ... Equina Syndrome ... Commonly caused ... Narrowing of spinal canal
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Intestine - Other causes ... Most common symptoms ... - Bone symptoms ... granulamatous disease ... Diagnosis #Algorithm #hepatology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Primary Dermatologic Diseases ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... MucousMembranes #dermatology ... Diagnosis #Algorithm #causes