16 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Infectious: Legionella ... , Non-infectious ... ß-blockers, CNS lesions ... bradycardia #Causes #differential ... infectiousdiseases #table
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Delayed Phase DDx ... CT #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Late phase • DDx ... POCUS #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
(80-90%) Oral lesions ... 20%) congenital infection ... virus 7 HHV-7 Fever ... Microbiology #Diagnosis #Comparison ... #Table
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
phase, Late phase DDx ... POCUS #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
brown sputum, fever ... , CNS, skin • Infectious ... Diseases #pulmonary #differential ... #diagnosis #comparison ... #table #eosinophilia
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
hepatobiliary phase DDx ... MagneticResonance #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential
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 ... e.g., HIV), EBV infection ... - Pel-Ebstein fever ... Etiology: - Infections ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... SLE) - Viral infections ... APLS • Acute Infectious ... mountain spotted fever