Depressed respiratory sinus arrhythmia: additional evidence for impairment of vagal activity in human hyperthyroidism
Braz. j. med. biol. res
;
23(2): 195-7, 1990. ilus
Artigo
em Inglês
| LILACS
| ID: lil-85158
ABSTRACT
The efferent activity of the parasympathetic component of the autonomic nervous system was evaluated by measuring the magnitude of the respiratory sinus arrhythmia in 3 female patients with hyperthyroidism (Basedow-Graves' disease) before and after treatment. The heart rate variations induced by the test increased in all patients after treatment of thyrotoxicosis (from 15 + or - 2.9 to 28.3 + or - 6.6 beats/min; mean + or - SEM) with propylthiouracil (600 mg/day). This result confirms our previous observations indicating an important and reversible impairment of the efferent vagal activity in human hyperthyroidism
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LILACS (Américas)
Assunto principal:
Arritmia Sinusal
/
Nervo Vago
/
Frequência Cardíaca
/
Hipertireoidismo
Idioma:
Inglês
Revista:
Braz. j. med. biol. res
Assunto da revista:
Biologia
/
Medicina
Ano de publicação:
1990
Tipo de documento:
Artigo
/
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