13 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... for TPN) and antibiotic ... Sources #Causes #Bacteria ... #Etiology #Differential ... #Microbiology #
Infographic of common causes of acute otitis media and resistance mechanisms of these bacteria. 
Streptococcus pneumoniae
Haemophilus
mechanisms of these bacteria ... PenicillinBindingProtein #Resistance #microbiology ... #differential # ... diagnosis #antibiotics
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... infection, infective endocarditis ... Rickettsioses, bacterial ... mononucleosis, infective endocarditis ... Returning #Traveler #differential
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... under BCNIE, these bacteria ... BCNIE #Causes #differential ... culture #negative #Endocarditis ... InfectiousDiseases #Microbiology
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA Bacterial ... Herpes simplex virus ... IDSA #diagnosis #differential ... #causes #bacteria ... #microbiology
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
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
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 Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... Failure - Differential ... Bug: Atypical bacteria ... lines, osteo, endocarditis ... #Failure #Differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Hypercoagulable (APLAS) Microbiology ... Marantic (NTBE) Differential ... • IV Antibiotics ... #Endocarditis