[Electrolyte changes during and after voluntary hyperventilation].

Abstract

Paresthesia and tetanic finger cramps during hyperventilation-induced respiratory alkalosis are believed to derive from a pH-dependent decrease of ionized serum calcium. In the study reported here, ionized serum calcium, total calcium and total protein were measured during a three-minute hyperventilation period in ten volunteers. During hyperventilation finger paresthesias appeared in all probands without proof of any significant change in ionized serum calcium (1.26 +/- 0.05 mmol/l at the end of the three-minute hyperventilation period). Total protein increased as a consequence of hyperventilation-induced transient hemo-concentration. Paresthesias and tetanic finger cramps during the three-minute hyperventilation could not be related to changes of ionized serum calcium; however the other electrolytes, i.e. sodium, magnesium, potassium, chloride, phosphate and bicarbonate, showed, with the exception of sodium, significant changes.

• Authors: G Stadler, J Steurer, P Dür, U Binswanger, W Vetter
• Journal: Praxis (Praxis (Bern 1994)) Vol. 84 Issue 12 Pg. 328-34 (Mar 21 1995) ISSN: 1661-8157 [Print] Switzerland
• Vernacular Title: Elektrolytveränderungen während und nach willkürlicher Hyperventilation.
• PMID: 7701171 (Publication Type: Clinical Trial, Controlled Clinical Trial, English Abstract, Journal Article)

Chemical References

• Blood Proteins
• Electrolytes
• Calcium

Topics

• Adult
• Blood Proteins (analysis)
• Calcium (blood)
• Electrolytes (blood)
• Female
• Humans
• Hyperventilation (blood)
• Male
• Paresthesia (metabolism)
• Tetany (metabolism)