28 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... these bacteria should ... BCNIE #Causes #differential ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... blood cultures should ... the preferred test ... typically part of the workup ... #Microbiology #InfectiousDiseases
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Doppler ultrasound; MRA ... CT or MRI scan of ... #Hypertension #Differential ... Causes #Screening #Workup
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
Diagnosis and workup ... ... laboratory tests ... the diagnostic workup ... MRI, iADL scale, ... MNCD #Dementia #Differential
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
) False-negative ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... microbiological techniques Work-up ... these bacteria should ... Endocarditis #diagnosis #differential ... #workup #infectiousdiseases
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Breath test for ... above testing negative ... #Diarrhea #Workup ... Transplant #diagnosis #differential
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
MRI shows globular ... ) • Milwaukee shoulder ... arthropathy of the shoulder ... Differential diagnosis ... Disease #clinical #mri
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibody (ANA) test ... should be obtained ... ANAs; thus, a negative ... Arthritis #laboratory #workup
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
immunodiffusion test ... Culture (ElA may be negative ... Coccidioides #Diagnosis #workup ... #infectiousdiseases