26 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... K), H. pylori test ... #Causes #Workup ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... SLE) - Viral infections ... Ig A vasculitis/HSP ... #Differential #Diagnosis ... #hematology #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential Diagnosis ... etc) - Viral: HIV ... Cirrhosis with portal ... #Framework #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... ITP - APLS - HIT ... deficiency Work ... Fecal occult blood test
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value is low, tests ... levels - Usually normal ... products or D-dimer - Normal ... indirect antiglobulin tests ... #Workup #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Better call hematology ... exogenous, EPO levels: normal ... Best to have an ... #Algorithm #workup ... #hematology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
e.g., congenital hip ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup ... #differential #diagnosis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
to Joint Pain - Diagnostic ... Like in this case ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... levels are within normal ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... - DDX: - Infection ... - Synovium - Oral ... #msk #physicalexam