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

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Encephalitis and Bacterial ... Meningitis - Differential ... 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
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... early disease) • CXR ... Pathogens: • Aerobic Bacteria ... • Anaerobic Bacteria ... Lung Abscess Differential
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Mediastinal Widening - Differential ... arteries, Venous or arterial ... Pericardial effusion • CXR ... Mediastinal #Widening #Differential ... Diagnosis #pulmonary #radiology
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
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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... inhalational injury Differential ... - Select Bacteria ... #differential # ... diagnosis #pulmonary #CXR
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
very important to differentiate ... will limit the differential ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR