19 results
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
to 10 percent): antibiotics ... herpes simplex virus ... - Bacterial ... Nodosum #Causes #Differential ... #Diagnosis #Clinical
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Meningitis - Differential ... • Common clinical ... stain: Previous antibiotics ... Good indicator to differentiate ... CNS #Infections #differential
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... Gram Positive Bacteria ... Gram Negative Bacteria
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... superimposed bacterial ... UCSD Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
, Epstein—Barr virus ... ), Hepatitis C virus ... Schistosomiasis • Bacterial ... #Myocarditis #differential ... #diagnosis #cardiology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Sulfatase enzyme (bacteria ... pathophysiology #clinical ... #photo #differential
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Pericarditis - Differential ... • Epstein-Barr virus ... Cytomegalovirus • HIV Bacterial ... #Pericarditis #Differential ... Algorithm #Causes #Cardiology
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Myocarditis • Bacterial ... virus, rubella ... virus, Junin virus ... Myocarditis #Causes #differential ... #diagnosis #cardiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Pathogens: • Aerobic Bacteria ... • Anaerobic Bacteria ... Lung Abscess Differential ... Abscess #pulmonary #differential
For my UME micro course, I made a figure that captures this terminology and lets learners
the spectrum of clinically ... important bacteria ... arrange all the clinically ... does not equal clinical ... Varun Phadke @VarunPhadke2