25 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... , Loose anagen syndrome ... disease • Pull test ... Initial Laboratory Tests ... #Differential #Diagnosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... • Loose anagen syndrome ... Congenital hair shaft ... #Diagnosis #Algorithm ... #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 ... - Differential Diagnosis ... #Effusions #causes ... #differential #diagnosis ... #msk #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... /HSP • Cryoglobulinemia ... #Differential #Diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Quinidine • HIT ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... #Hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... #Differential #Diagnosis ... #rheumatology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... aspergillosis) - Viral (HIV ... Asthma Tugs (vasculitis ... Hypereosinophilic Syndrome ... #Causes #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... HBV infection, HIV ... Labs/Diagnosis: ... Cryoglobulins #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... ITP - APLS - HIT ... Fecal occult blood test ... #Algorithm #Causes