16 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Disruptions in vascular ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Renal Disease Vascular ... TeIangiectasia Vascular ... • Steroids • Vasculitis ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... Rebound effect from treatment ... , Vasculitides, ... Diagnosis #Algorithm #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... for secondary causes ... glucocorticoid treatment ... Differential #diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Disruptions in vascular ... deficiency Work ... • Abdominal ultrasound ... #dermatology #physicalexam
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
considered in all cases ... coagulation and other causes ... 19 - PNH - Vasculitis ... pathophysiology #hematology ... differential #diagnosis #vascular
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Better call hematology ... about secondary causes ... you’ll do a good workup ... #hematology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Hyperviscosity, - Vascular ... malignancies, vasculitis ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Non-bloody: OA, avascular ... Like in this case ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Causes of Neutropenia ... hypertension and/or drug treatment ... neutropenia in collagen vascular ... neutropenia in collagen vascular ... #hematology