71 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... #bradycardia #Causes ... #differential #diagnosis ... #infectiousdiseases ... #table #NonInfectious
Tick Borne Illnesses
 • Lyme (Borrelia)
 • Babesiosis (Babesia)
 • Human Monocytic Ehrlichiosis (Ehrlichia)
 • Human
Mountain Spotted Fever ... #differential #diagnosis ... #comparison #table ... #infectiousdiseases
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... pylori test (GI symptoms ... or if a primary hematologic ... #Differential #Diagnosis ... #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... - Pel-Ebstein fever ... Differential Diagnosis ... #NonHodgkins #comparison ... #oncology #diagnosis
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
Herpes Viruses (HHV ... simplex virus 1 HSV ... -7 Fever, exanthema-subitum-like ... #Microbiology #Diagnosis ... #Comparison #Table
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... • Fever and hypotension ... pulmonary edema) • Fever ... #diagnosis #comparison ... #table
Pneumocystis jirovecii Pneumonia 
Clinical 
 • Caused by Pneumocystis jirovecii (formerly carinil) 
 • Immunocompromised host
Clinical • Caused ... ) • Seen in HIV ... CD4 < 200 • Symptoms ... 2—3 weeks • Fever ... PJP #Pneumonia #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • Fever, weight ... Constitutional symptoms ... #differential #diagnosis ... #infectiousdiseases
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... - Headache, fever ... #rheumatology # ... comparison #table
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... • HCV, HBV Not ... mountain spotted fever ... #Differential #Diagnosis ... #hematology #rheumatology