What is the role of lab studies in the workup of posterior cerebral artery (PCA) stroke?

Updated: Jul 30, 2018
  • Author: Erek K Helseth, MD; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

In the acute phase, routine blood tests should include a complete blood count (CBC), prothrombin time (PT)/activated partial thromboplastin time (aPTT)/international normalized ratio (INR), electrolytes, creatinine, and serum glucose. These tests are a part of the stroke mechanism work-up and are required to assess whether the patient is a candidate for acute stroke therapies.

When the mechanism of stroke is atherosclerotic disease, additional blood tests should be performed to assess atherosclerotic risk factors. Diabetes screening should be performed. A fasting serum cholesterol profile should be obtained.


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