Packed Cell Volume

Also written as PCV.

Dehydration raises the urea and the packed cell volume, and the fontanelle is sunken.

What our notes say

• Dehydration raises the urea and the packed cell volume, and the fontanelle is sunken. (Paediatrics end of fourth year special supplementary exam: August 2019, Paper On)
• • Hb is less than 4 g/dl or packed cell volume less than Osmotic diarrhoea may be suspected if diarrhoea\n12% worsens substantially in young children who are given F-75 (Devendra K. Gupta, Krishna M. Goel - Hutchison’s Paediatrics. chdhe-Jaypee Broth)
• He has a full fontanelle\nM - ( 0 '\n\n He has a low packed cell volume\nUrea level is elevated\ne. (paed (1))
• After single episode of blood loss: initial vasoconstriction; plasma volume rapidly expands; Hb and packed cell volume fall; rise in neutrophils and platelets (Transfusion: Governance, Donor Selection & Blood Groups — Notes)

Study material on Packed Cell Volume

• Davidson's Essentials of Medicine - 2nd

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