What does a high platelet distribution width (PDW) indicate?

Dec 16, 2021 Source: Cainiu Health
Disease description:

I have a cold and had a routine blood test. The only abnormal result was an elevated platelet distribution width (PDW). What does an elevated PDW indicate?

Doctor's answer (1)
Dr. Xu Min
Platelet Distribution Width (PDW) primarily reflects the uniformity of platelet size distribution. An elevated PDW indicates increased variability in platelet size. Isolated elevation of PDW typically lacks significant pathological implications. However, for safety, it is advisable to undergo comprehensive routine blood tests at a hospital to confirm diagnosis and rule out hematological disorders. During this period, ensure adequate hydration and proper warmth to prevent disease progression.