38 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... plateletcount), peripheral ... blood smear, HIV ... #Causes #Workup
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
- Cool fluids peripherally ... as they lead to peripheral ... #Hyperthermia #comparison ... #diagnosis #management ... #treatment
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
by ordering a peripheral ... smear, a reticulocyte ... the most likely cause ... recovery also causes ... #Diagnosis #Macrocytosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
FOR TESTING: • Peripheral ... evaluation or workup ... 1,500 cells/µL Workup ... glucocorticoid treatment ... #Differential #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), MPA (microscopic ... mononeuritis multiplex WORKUP ... Goodpasture's cause ... sparing of the lung periphery ... #management #treatment
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... Algorithm Peripheral ... Smear concerning ... hematology for workup ... Rebound effect from treatment
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Smear: • Dysplastic ... Workup: • Complete ... blood smear • ... Myelodysplastic #Syndromes #diagnosis
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
She was diagnosed ... hospitalization and treatment ... , her peripheral ... blood smear showed ... #Microscopy #Auer
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
recurrentis on Peripheral ... LBRF can be diagnosed ... can be used for diagnosis ... initiation of treatment ... recurrentis #BloodSmear #microscopy
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 ... used to exclude pulmonary ... #Workup #TB #Latent