15 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... ß-blockers, CNS lesions ... #bradycardia #Causes ... #differential # ... infectiousdiseases #table
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Lesions on Various ... #Lesions #Hepatic ... #differential # ... diagnosis #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Lesions on Computed ... #Lesions #Hepatic ... #differential # ... diagnosis #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Lesions on Contrast ... #POCUS #radiology ... #differential # ... diagnosis #comparison #table ... #appearance #hepatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... mountain spotted fever ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... reddish-purple lesions ... Red Flags: • Fever ... • Abdominal ultrasound
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
neurologic symptoms, fever ... ) • Headache, fever ... neurological symptoms • Caused ... Meningitis: • Fever ... Tuberculosis #diagnosis #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : • 80% have fever ... decubitus - air fluid level ... Intervention: - Fevers ... residual lesion
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
night sweats, fever ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Persistent bacteremia/fevers ... diagnosis #management #cardiology