Coagulation Disorders Tutorial
 
Introduction

Very Sociable Guy

Chest Pain

Girl with a Rash  

England 1944

Trouble Healing

Morning Stiffness

Bruises Easily

Shortness of Breath

Drug Interactions

Review

Thanks to

Quiz Please

Confirmatory tests for platelet disorders.

Repeat the test, confirm the value if the numbers are off or don't match clinical impression.

  • Ultimately it comes down a question of quantity vs. quality of the platelets.
  • Bone marrow examination for abnormal number of platelets. Click here to see how's it's done.
    • Thrombocytopenia (low count),
    • At the right is a common cause.
    • Thrombocytosis (high count).
  • Platelet aggregation studies for platelet function abnormalities.
    • Tests for response to
      • ADP,
      • serotonin,
      • epinephrine,
      • von Willebrand Factor.
  • Platelet associated antibodies. IgG or IgM, either bound to platelets or free in serum.

 What about tests for clotting factors?                                                            Back

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