61 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Causes include : ... Pre-analytical cause ... Decreased factor ... aPTT #Prolonged #Causes ... #differential #hematology
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... #Hyperplasia #Dermatology ... Benign #Clinical #Photo
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Pre-analytical cause ... Decreased factor ... aPTT #Prolonged #Causes ... #differential #hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Deficiency of Factor ... Deficiency of Factor ... Autoimmune • Factor ... Summary #table #comparison ... #diagnosis #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
normal in mild cases ... von Willebrand factor ... normal Individual factor ... with relevant factor ... Management #treatment #hematology
Molluscum: Numerous papules caused by viral infection.

Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images

#Clinical #Photo
Numerous papules caused ... Images #Clinical #Photo ... #Dermatology #SkinRash
Tinea Versicolor: Scaly well demarcated patches caused by fungal skin infection.

Charlie Goldberg, M.D. - UCSD Catalog
demarcated patches caused ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Congenital • Factor ... Deficiency • Factor ... Diagnosis #Algorithm #Causes ... #Hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Acquired Risk Factors ... Thrombophilia: - Factor ... cardiovascular risk factors ... coagulation and other causes ... pathophysiology #hematology
Ecchymosis: Bluish discoloration of skin caused by bruising with resultant subcutaneous collection
of blood.

Charlie Goldberg, M.D. -
discoloration of skin caused ... Images #Clinical #Dermatology ... Ecchymosis #Arm #Photo