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

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... mountain spotted fever ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... Hair loss • Fever ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #Causes ... #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Clinical Features: Fever ... IL-2 receptor Diagnostic ... Criteria): Molecular diagnosis ... 8 criteria: • Fever ... #hematology #criteria
Diagnostic criteria for Neutropenic Enterocolitis (NEC)
Major Criteria:
 • Neutropenia (ANC <500 x 10^9 cells/L)
 • Bowel
Diagnostic criteria ... 30mm length) • Fever ... Enterocolitis #Diagnosis ... #criteria #hematology
Constrictive Pericarditis on POCUS Echocardiogram - Apical 3-Chamber View

Young Lupus patient admitted to hospital new onset
Pericarditis on POCUS ... Echocardiogram ... could pinpoint the cause ... Had diagnostic tap-fever ... #Echocardiogram
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
barns and lake houses ... • Prodrome: fever ... +/- diarrhea Diagnosis ... #Hantavirus #diagnosis ... #microbiology #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • Fever, weight ... factor • May cause ... #differential #diagnosis ... #infectiousdiseases
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... Anemia Intrinsic Causes ... : • Liver disease ... #Differential #Diagnosis ... #hematology