15 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... Risks factor for HIV ... peripheral blood smear, HIV ... #Diagnosis #Causes ... #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... • HCV, HBV Not ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
deficiency) • HIT ... Treat primary cause ... #diagnosis #causes ... #treatment #management ... #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
- CMV - HCV ... - HIV • Immune ... immunodeficiency virus (HIV ... Anemia #oncology #hematology ... #diagnosis #management
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
almost) all TMAs cause ... coagulation-mediated ... HIV (14-20%) ... Microangiopathy #TMAs #hematology ... #diagnosis #ttp
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Triggers: ATRA treatment ... initiation • Differential ... • Steroids: IV ... #diagnosis #management ... #hematology #oncology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Diagnosis Framework ... Heparin-induced thrombocytopenia ... intravascular coagulation ... and other causes ... pathophysiology #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... hemostasis: - Thrombocytopenia ... deficiency Work ... Complete blood count coagulation ... #Causes #dermatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Better call hematology ... about secondary causes ... you’ll do a good workup ... #workup #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
specifically immune thrombocytopenia ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management