58 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... most likely to cause ... pulmonary infection ... It can also cause ... #differential #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... spotted fever, Non-infectious ... #bradycardia #Causes ... differential #diagnosis #infectiousdiseases
Complications of Staph Aureus Bacteremia
 • CNS Infections
 • Septic pulmonary embolism (0.9% - 18.8%)
 •
Bacteremia • CNS Infections ... • Septic pulmonary ... 18.8%) • Epidural abscess ... ) • Iliopsoas abscess ... arthritis - Native
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
for Diagnosis of Abscess ... and Soft Tissue Infections ... cellulitis in cases ... where abscess is ... POCUS has a negative
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Transplant Infections ... Staphylococci (skin), Gram-negative ... #Transplant #Infections ... differential #diagnosis #causes ... #infectiousdiseases
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Bronchiectasis • Abscess ... Vasculitis Infection ... Diagnosis #Algorithm #Causes ... #Pulmonary #Massive
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... vascular - pulmonary ... embolus I = infection ... - pulmonary abscess ... - CPAM - pulmonary
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Causes of Sudden ... Neurologic Anomaly • Pulmonary ... Metabolic Disorders Infection ... Gastrointestinal infection ... ): • Autopsy negative
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Pathophysiology ... #pulmonary #differential ... #causes #management