by MH Team | May 7, 2025 | Hemostasis Disorders
Key Takeaways Petechiae are pinpoint (1-2mm), non-blanching red or purple spots on skin or mucous membranes as a results of small capillary bleeding. Causes ▾: Increased pressure (coughing, straining). Low platelet count (thrombocytopenia). Platelet...
by MH Team | May 5, 2025 | Hemostasis Disorders, Platelet Disorders
Key Takeaways Ecchymoses are subcutaneous bleeding causing skin discoloration (bruise). Pathophysiology ▾: Small vessel damage leads to blood leakage into tissues; hemoglobin breakdown causes color changes. Causes ▾: Trauma, hematologic disorders,...
by MH Team | May 2, 2025 | Hemostasis Disorders, Platelet Disorders
Key Takeaways Henoch-Schönlein Purpura (HSP) is a systemic small-vessel vasculitis characterized by palpable purpura, arthritis/arthralgia, abdominal pain, and often kidney involvement. Causes ▾: Exact cause unknown; likely triggered by infections (e.g.,...
by MH Team | Apr 30, 2025 | Red Blood Cells
Key Takeaways Evans syndrome is. a rare autoimmune disorder with sequential or simultaneous autoimmune hemolytic anemia (AIHA) and immune thrombocytopenia (ITP), sometimes with autoimmune neutropenia (AIN). Pathophysiology ▾: Immune dysregulation leads to...
by MH Team | Apr 28, 2025 | Red Blood Cells
Key Takeaways Wilson’s disease is a rare genetic disorder causing toxic copper accumulation in the liver, brain, and other organs. Pathophysiology ▾: Defective ATP7B gene impairs copper excretion into bile and incorporation into ceruloplasmin, leading to...
Recent Comments