Document Detail

Q-oTc interval and blood calcium levels in newborn infants.
MedLine Citation:
PMID:  673550     Owner:  NLM     Status:  MEDLINE    
The interval from the beginning of the Q wave to the origin of the T wave (Q-oTc interval) and total and ionized serum calcium levels were measured in 27 full-term and 77 premature infants. The correlation between Q-oTc and total and ionized calcium levels was significant in both full-term and normal premature infants. No correlation was found in a group of critically ill premature infants, most of whom had evidence of CNS involvement. Constant infusion of calcium gluconate in a number of infants belonging to the latter group produced a significant shortening of the Q-oTc interval. It is speculated that the lack of correlation of Q-oTc interval and total or ionized calcium levels in sick premature infants could be explained on the basis of a dysfunction in cardiac sympathetics or alternatively by marked variations in serum catecholamines.
G P Giacoia; H R Wagner
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pediatrics     Volume:  61     ISSN:  0031-4005     ISO Abbreviation:  Pediatrics     Publication Date:  1978 Jun 
Date Detail:
Created Date:  1978-09-29     Completed Date:  1978-09-29     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  877-82     Citation Subset:  AIM; IM    
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MeSH Terms
Calcium / blood*,  pharmacology
Hypocalcemia / diagnosis*
Infant, Newborn
Infant, Newborn, Diseases / blood,  diagnosis*
Respiratory Distress Syndrome, Newborn / physiopathology
Reg. No./Substance:
0/Ions; 7440-70-2/Calcium

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