A patient with severe menorrhagia and a history of easy bruising is found to have a qualitative platelet disorder. Which of the following laboratory tests would be most helpful in diagnosing the underlying condition?
Explanation
A platelet aggregation study would be most helpful in diagnosing qualitative platelet disorders, such as Bernard-Soulier syndrome or Glanzmann thrombasthenia, which are characterized by abnormal platelet function.
Source
Williams Hematology