30 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 ... Infectious Knee ... #diagnosis #msk ... #physicalexam
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Diagnosis Framework ... , infections, drug ... : - Ig A (HSP) ... Disease • Cogan syndrome
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - Differential ... Diagnosis Framework ... Viral: Measles, Infectious ... EBV, CMV), Acute HIV ... , Vasculitis SCVMC
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Diagnosis Algorithm ... Quinidine • HIT ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... • Infection
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... Non-Infectious ... Aortitis: • Vasculitides ... arteritis, Cogan's Syndrome
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... parainfluenza, Coxsackie, HIV ... #Weakness #Differential ... #Diagnosis #neurology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Findings - Infectious ... nephrotic/nephritic syndrome ... arthritis (especially knees ... and ankles) #HSP ... Pathophysiology #Diagnosis
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Chemotherapy • Infectious ... Guillain-Barre, Vasculitis ... Paraprotein-associated (POEMS syndrome ... Peripheral #Neuropathy #differential ... #diagnosis #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Diagnosis Framework ... to exclude are infections ... Cryoglobulins • HIV ... differential #diagnosis