99 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Differential Diagnosis Algorithm ... Reactive erythematous ... membranes #Reactive ... #causes
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Reactive (Inflammatory ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... of Relative Bradycardia ... • Infectious Causes ... Non-Infectious Causes ... #Dissociation #relative
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Differential Diagnosis Algorithm ... Rheumatic Disease • Reactive ... Bowel Disease) • Reactive ... Acute Onset • Reactive ... #Orthopedics #Causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... #bradycardia #Causes
Causes of Scrotal Mass - Differential Diagnosis Algorithm
Painful - Sudden Onset
 • Testicular Torsion
 • Torsion
Causes of Scrotal ... Differential Diagnosis Algorithm ... • Traumatic/Reactive ... Differential #Diagnosis #Algorithm ... #Causes
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Relative Afferent ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... Reactive: - ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil - Relative ... Optic nerve* (main cause ... #Gunn #Pupil #Relative
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
measured Cohort (relative ... Proves cause-effect ... = (ad) / (bc) Relative ... risk (cohort): relative ... but not on the causal