15 results
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
Causes of Polyneuropathy ... - Infectious: HIV ... RA, Sjogren’s), Vasculitis ... Mitochondrial issues - VA Joint ... #causes #neurology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... Quinidine • HIT ... HUS • DIC • Vasculitis ... #Causes #Hematology
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Differential Diagnosis Algorithm ... Polyarticular Join ... rash) • Primary HIV ... #Orthopedics #Causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... Differential Diagnosis Algorithm ... Hyperemia Spasm • Vasculitis ... Air Embolism • Vasculitis ... #Orthopedics #Causes
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 ... Fever/Chills/Joint ... Brucellosis - Viruses: HIV ... Effusions: - Hematologic ... #Effusions #causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... BrighamChiefs #Bone #Joint ... #hematology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Differential Diagnosis Algorithm ... Arthritis Other Causes ... JointHip Dysplasia ... Legg-Calve-Perthes Disease Knee ... #Orthopedics #Causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... tract, and often causes ... vesicular eruption - Joints ... Cryoglobulins • HIV ... differential #diagnosis #rheumatology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... periumbilical region), nausea ... insufficiency - Joints ... arthritis (especially knees ... and ankles) #HSP
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Infection - Vasculitis ... ITP - APLS - HIT ... #Causes #dermatology