43 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
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... response preceding infection ... DTR’s • Onset: Few ... Clinical Features ... Diagnosis: •
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Chemotherapy • Infectious ... Inflammatory/AI: CIDP, Guillain-Barre ... Paraprotein-associated (POEMS syndrome ... Peripheral #Neuropathy #differential ... #diagnosis #causes
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Diagnosis Algorithm ... Quinidine • HIT ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Diagnosis Framework ... etc) - Viral: HIV ... infiltration: malignancy, infection ... antiphospholipid syndrome ... #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... Non-Infectious ... arteritis, Cogan's Syndrome ... #Diagnosis #rheumatology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Insufficiency - Differential ... Diagnosis Algorithm ... • Fungal • HIV ... Thrombophilia • Critical ... illness • Infecton
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... immunodeficiency virus (HIV ... transplantation CLINICAL ... • Onset: few days ... #Barre #Syndrome
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
(CES) is usually ... Diagnosis: • ... Tethered cord • Guillain-Barre ... #differential # ... diagnosis #causes
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
important, as early diagnosis ... pachymeningitis • HIV ... MRI lesions and clinical ... noninflammatory #differential ... #diagnosis