Feature of hemorrhagic disease of new born is –
Correct Answer: Prolonged prothrombin time
Description: Normal new borns are moderately deficient in vitamin K.
This deficiency increases on 3rd to 5th day when, vitamin K level falls further. The serum level of vitamin K starts increasing from 13th to 15th day of life and achieves adult level at 3 months.
This is normal, and does not produce any bleeding.
In hemorrhagic disease of the newborn there is delay in achieving the normal vitamin K level.
Clinical Features
Vitamin K deficiency produces severe bleeding.
Bleeding occurs from umbilical cord stump on 2nd/3rd day after birth.
Intracranial bleding and large intramuscular hemorrhages may occur.
Increased prothronzbin time and increased partial thromboplastin time.
T/T
Parenteral vitamin K therapy.
Category:
Pediatrics
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