93 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... Did they receive antibiotics ... Decreased yield due to antibiotic ... cause of culture negative ... BloodCultures #Diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
- Differential Diagnosis ... Consider prior antibiotics ... SAPHO, Sweet's Syndrome ... Auto-Inflammatory: SAPHO syndrome ... #Differential #Diagnosis
SPICE (SPACE) Organisms
 - Colloquial acronym for gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known
acronym for gram-negative ... to beta-lactam antibiotics ... Pseudomonas #Diagnosis ... AmpC #Resistance #Antibiotics
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal Syndrome ... Differential Diagnosis ... Pulmonary Renal Syndromes ... polyangiitis) - ANCA-negative ... #differential #diagnosis
The Hot and Altered Patient in the ED - Differential Diagnosis Framework
 • Heat Stroke
 •
- Differential Diagnosis ... Neuroleptic Malignant Syndrome ... • Serotonin Syndrome ... Toxidrome • ETOH & Sedative-Hypnotic ... #Differential #Diagnosis
Brugada syndrome Types 1, 2 and 3

There are three types of ECG presentations, referred to as
Brugada syndrome ... type 3 Brugada syndrome ... most typical (and diagnostic ... The T-wave is negative ... #Diagnosis #ECG
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
cases Drugs (antibiotics ... Sarcoidosis or Lofgren's syndrome ... #Differential #Diagnosis
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... for TPN) and antibiotic ... #Microbiology #Diagnosis
Campylobacter
Clinical 
 • Fever 
 • Abdominal pain 
 • Diarrhea (bloody stools) 
 • Vomiting
Guillain-Barré syndrome ... self-limited) • Antibiotics ... Campylobacter #Diagnosis
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... avoid unnecessary antibiotics ... inappropriate antibiotic ... Angioedema • Sweet syndrome ... • Compartment syndrome