28 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Hungry bones syndrome ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Diagnosis • Infection ... Lemierre's syndrome ... Malignancy: - Hematologic ... . autoimmune): Lupus ... #Diagnosis #causes
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... antiphospholipid syndrome ... S - Systemic Lupus ... #differential # ... hematology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Membrane Disorder - Differential ... Diagnosis Algorithm ... • Systemic lupus ... #Differential # ... #causes
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
Alzheimer - 1st cause ... Aphaso-apraxo-agnosia syndrome ... MNCD #Dementia #Differential ... #Subtypes #Classification ... #Workup #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... usually IgG) (e.g. lupus ... #differential # ... diagnosis #hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... arteritis, Cogan's Syndrome ... (RA), Systemic lupus ... #Diagnosis #rheumatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... Diagnosis Algorithm ... • Loose anagen syndrome ... #Differential # ... #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 Framework ... Intra-articulation fracture ... #differential #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... vein thrombosis Hematologic ... Erythematosus #Diagnosis