59 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Lemierre's syndrome ... Malignancy: - Hematologic ... vasculitis to cause ... Differential #Diagnosis #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Intermittent tertian: P. vivax ... Non-Infectious Causes ... • Behcet's syndrome ... • Hyper-IgD syndrome ... receptor-associated periodic syndrome
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... Neuroleptic malignant syndrome ... ; Serotonin syndrome ... #Hyperthermia #comparison
Multi-System Inflammatory Syndrome in Children (MIS-C) vs. Kawasaki Disease
CDC Case Definition for MIS-C;
 • < 21
Multi-System Inflammatory Syndrome ... Kawasaki Disease ... CDC Case Definition ... years old with fever ... MISC #Kawasaki #Comparison
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Bone marrow disease ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... mountain spotted fever ... Differential #Diagnosis #hematology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia Cardiac Disease ... • Chagas disease ... Spondylarthropathies Other causes ... differential #diagnosis #causes ... #cardiology #BRADI
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Mediterranean Fever ... : EGPA, Horton Disease ... , Takayasu Disease ... #cardiology
Behcet's Syndrome - Treatment
Ulcers:
 • Treatment: Topical steroids
 • Prevention: Colchicine
 • Azathioprine for refractory disease
Arthritis:
Behcet's Syndrome ... - Treatment Ulcers ... : • Treatment: ... #Syndrome #Treatment ... #pharmacology #rheumatology
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 ... Acute rheumatic fever ... Effusions: - Hematologic ... Knee #Effusions #causes
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , fatigue, Nausea ... Urticaria #diagnosis #rheumatology ... #comparison #table