68 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... #differential #diagnosis ... #causes #culture ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Congestive Heart Failure - Causes, Pathophysiology and Differential Diagnosis
 • Dilated Cardiomyopathy 
 • Hypertrophic Cardiomyopathy
, Pathophysiology ... and Differential Diagnosis ... #Pathophysiology ... #Differential #Diagnosis ... #cardiology #HFrEF
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... → Urine culture ... Nephrology if cause ... #Algorithm #Workup
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... and Differential Diagnosis ... osmolarity If cause ... , urine culture, ... #nephrology #causes
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
but important causes ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #workup ... #infectiousdiseases
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... and Workup Algorithm ... life-threatening causes ... • Esophageal rupture ... #Chest #Pain #Diagnosis
Coccidiomycosis - Diagnosis
Diagnosis:
 • Mildly elevated peripheral WBC, Eosinophilia (25%), Elevated ESR, Procalcitonin normal (95%)
 •
Coccidiomycosis - Diagnosis ... Diagnosis: • Mildly ... immunodiffusion test) • Culture ... 7 days to grow culture ... #workup #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential Diagnosis ... antibiotics as a cause ... #Differential #Diagnosis ... #InfectiousDiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Mycobacterial culture ... Liquid and solid cultures ... Mycobacterial culture ... #Workup #TB #Latent ... LatentTB #ActiveTB #InfectiousDiseases
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Diagnosing Brucellosis ... Genitourinary Diagnostic ... Transaminitis - Radiology ... : Culture (blood ... #Criteria #Workup