26 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... hemolytic uremic syndrome ... , Hematology 2012 ... , p 193 #Diagnosis ... #Differential #
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
- Differential ... Diagnosis Framework ... antiphospholipid syndrome ... Cirrhosis with portal ... #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... pylori test (GI symptoms ... #Diagnosis #Causes ... #Workup #hematology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Seronegative Reactive Syndrome ... - Synovium - Oral ... #diagnosis #msk
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... Kasabach-Merritt syndrome ... #Diagnosis #hematology ... #rheumatology #
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Bernard-Soulier Syndrome ... receptor] • Normal ... Grey Platelet Syndrome ... comparison #table #differential ... #diagnosis #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Nephropathy 16% - Oral ... Neurological 12% - Thrombocytopenia ... autoantibodies #signs #symptoms ... #mimickers #differential ... #rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... age 70 years Symptoms ... Workup: • Complete ... blood count with differential ... #diagnosis #hematology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... hallucis longus Differential ... flexion but no symptoms ... #msk
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... levels - Usually normal ... products or D-dimer - Normal ... WBC count and differential ... #Workup #Hematology