29 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... antibiotics once stable ... shows a small, stable ... Dermatitidis - Cryptococcus ... #differential #causes
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... and Hemoptysis Acute ... Tuberculosis - Lung Abscess ... #Differential #Causes ... #Table
Causes of Acute Pelvic Pain - Differential Diagnosis Algorithm
Non-Gynecologic:
• Genitourinary (Infection, Stone)
• Gastrointestinal (Appendicitis, Gastroenteritis, Diverticulitis,
Causes of Acute ... Differential Diagnosis Algorithm ... • Tubo-ovarian abscess ... • Tubo-ovarian abscess ... #Causes #OBGyn
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... Differential Diagnosis Algorithm ... Stenosis Non-Acute ... Retropharyngeal Abscess ... #Causes #Peds #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... differential #diagnosis #causes
Causes of Breast Disorders and Gynecomastia - Differential Diagnosis Algorithm
Breast Infection:
 - Lactational
Causes of Breast ... Differential Diagnosis Algorithm ... Mastitis • Abscess ... • Subareolar abscess ... • Acute mastitis
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Differential Diagnosis Algorithm ... Skin Infection Abscess ... Differential #Diagnosis #Algorithm ... #causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Differential Diagnosis Algorithm ... Bacterial • Abscess ... Polycythemia vera Acute ... #Causes #Hematology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Culture (+): Acute ... Aspergillus • Cryptococcus ... Septic Emboli Cause ... Treat underlying cause ... Complications: Abscess