11 results
Comparison of Causes of Salt-Wasting in Infancy
 - PHA 1
 - PHA 3
 - 21-OH CAH
Comparison of Causes ... of Salt-Wasting ... #Infancy #Comparison ... #Causes #differential ... #diagnosis #pediatrics
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
(TST) False-negative ... because false-negative ... sample = 95% • A negative ... #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... negative and diarrhea ... #Diarrhea #Workup ... Algorithm #Transplant #diagnosis ... #differential
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... susceptibility testing ... • Laboratory testing ... typically part of the workup ... #Microbiology #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... BCNIE #Causes #differential ... #diagnosis #causes ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
microbiological techniques Work-up ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential # ... workup #infectiousdiseases
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis - Differential ... Beta-Agonists, ↑ work ... acidosis with negative ... separate D-lactate testing ... Lactic #Acidosis #Differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Coccidioides - Negative ... Cryptococcus - Negative ... BAL GM does not differentiate ... Galactomannan #diagnosis ... #comparison
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Autoantigens - Infection-negative ... lymphocytic, infection-negative ... Miscellaneous - Scorpion sting ... Myocarditis #Causes #differential ... #diagnosis #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... aureus, Coagulase-negative ... #Endocarditis #Differential ... #Diagnosis #cardiology ... #infectiousdiseases