45 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... , Non-infectious ... #bradycardia #Causes ... differential #diagnosis #infectiousdiseases
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... deficiency • Liver ... APLS • Acute Infectious ... mountain spotted fever ... #rheumatology #
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Triggering factor (infection ... • Clinical: fever ... , ↓ Fibrinogen level ... Drugs, Unknown cause ... treatment #summary #rheumatology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Differential Diagnosis Infectious ... , Candida Non-Infectious ... : • Rheumatologic ... Mediterranean Fever
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - Clues ... to Infectious Disease ... Rabies, cat scratch fever ... HPI #Interview #InfectiousDiseases ... #Infections #differential
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
Presentation: • Fever ... , Cough • +/-Nausea ... cæxist with other infections ... Diagnostic Criteria - Fever ... KD #vasculitis #rheumatology
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
common route of infection ... barns and lake houses ... • Prodrome: fever ... chills, myalgias, nausea ... #microbiology #infectiousdiseases
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Genitourinary Infection ... • Rheumatic Fever ... • Rheumatic Fever ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... loss, lethargy, fever ... • Fever, weight ... Microsporidium #Lung #Infections ... differential #diagnosis #infectiousdiseases
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 ... Knee #Effusions #causes ... differential #diagnosis #msk