8 results
Right Upper Quadrant Pain
Liver:
 - Infectious: Acute viral hepatitis, Liver abscess
 - Non-infectious: hepatitis (Alcohol, Medications),
Upper Quadrant Pain ... Liver: - Infectious ... viral hepatitis, Liver ... abscess - Non-infectious ... differential #diagnosis
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... • Abdominal pain ... abscess • Diarrhea ... abscess, visceral ... Returning #Traveler #differential
Liver Abscess - Differential Diagnosis
Pyogenic:
 • Hepatobiliary
 • Colonic
 • Bacteremia
Entamoeba histolytica:
 • Fecal/oral
 • Colitis
Liver Abscess - ... Differential Diagnosis ... anaphylaxis if rupture ... US, serology • PAIR ... #Abscess #Differential
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess ... - Differential ... histoplasmosis Liver ... #Negative #Abscess ... #Differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Pleuritic chest pain ... • Sputum/Blood cultures ... Differential Diagnosis ... #pulmonary #differential
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Mississippi and Ohio River ... muscle aches, joint pain ... , chest pain • ... • Confirmed by culture ... Sinusitis • Brain abscess
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
- M. abscessus ... chelonae • M abscessus ... (elevations of liver ... diarrhea, abdominal pain ... #differential #
Localized Acute Abdominal Pain(<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac, pulmonary,
Acute Abdominal Pain ... (<72 hours) - Differential ... Urinary tract infection ... Acute #Abdominal #Pain ... #Differential #