11 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
ACTIVE TB AFB smear ... microscopy • Testing ... of a NAAT on a smear-positive ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... dipstick, urine microscopy ... osmolarity If cause ... , urine culture, ... #Injury #AKI #Workup
Prolymphocytes

In our case, the patient has T-prolymphocytic leukemia (T-PLL) not Acute Myeloid Leukemia (AML).  🔬Tumor
Prolymphocytes In our case ... 🔬Tumor cells are ... size lymphoid cells ... Prolymphocytes #Smear ... Peripheral #Pathology #Microscopy
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Capnocytophaga spp on Culture ... and Blood Smear ... oral flora, can cause ... #Blood #Smear # ... clinical #microscopy
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 ... but important causes ... #differential #workup ... #infectiousdiseases
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
The most common causes ... more than one cause ... perforation), TB smear ... /culture/ADA (TB ... Jcortesizaguirr #Ascites #workup
Coccidioides on culture and microscopy

This was coccidioides sp (in this particular case was posadasii, although morphologically
Coccidioides on culture ... and microscopy ... this particular case ... empty disjunctor cells ... #Coccidioides #culture
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... skin that are caused ... Peripheral Smear ... Workup: • Complete ... Peripheral blood smear
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
less than 200 cells ... more than 200 cells ... Demyelinating disease caused ... specific and <25% culture ... opportunistic #InfectiousDiseases
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
function • Blood culture ... chest film; blood-smear ... dipstick test, microscopic ... examination, culture ... Differential #Diagnosis #InfectiousDiseases