Platelet Disorders

Petechiae are more common in coagulation factor disorders than in platelet disorders

What our notes say

Petechiae are more common in coagulation factor disorders than in platelet disorders (Internal Medicine End of Semester CAT (MBChB 4): haematology and renal, 30 MCQs )
Bleeding after small cuts is more common in platelet disorders than in coagulation disorders (Internal Medicine End of Semester CAT (MBChB 4): haematology and renal, 30 MCQs )
Essential thrombocythaemia is a high-platelet disorder. (The paper prints "thrombocytopenia", which is a typing error.) (Internal Medicine (MBIM 4100) main exam, Paper One: 3 July 2019)
Qualitative platelet disorders, both inherited and acquired, are also detailed, alongside essential laboratory diagnostics and high-yield facts. (Platelet Disorders)
Clinical bleeding pattern: factor deficiencies cause deep bleeding — haemarthroses (joint bleeds), muscle haematomas — directly contrast with the mucocutaneous bleeding of platelet disorders. (Year 3: Haematology and Blood Transfusion Pathology)
Conditions covered: Vascular fragility disorders · Platelet disorders (thrombocytopenia, qualitative defects) · Coagulation factor deficiencies · DIC (Hematologic Malignancies and Bleeding Disorders)