Sodium nitrite, ethyl nitrite, amyl nitrite) cause relaxation of involuntary muscular fibre and therefore relieve the asthmatic attacks, which depend upon spasm of the involuntary muscles in the bronchial tubes.
In cases of angina, while the resistance opposed to the action of the heart by spasm in the vessels may be great, the heart itself may be feeble, and it may therefore be necessary to give some remedy which will increase the power of the heart.
Which observation sent another spasm of chills racing down Dean's spine.
Practically it is found that a certain amount of hypermetropia remains latent, owing to spasm of the accommodation, which relaxes only gradually.
Expectorants increase the bronchial secretions; antispasmodics relax the spasm of the muscular coat of the bronchial tubes, e.g.
In strychnine poisoning trismus or lockjaw is generally secondary to spasm of the other muscles, while in tetanus it is usually the first symptom, no relaxation taking place between the spasms.
This treatment is frequently very successful indeed in relaxing the bronchial spasm upon which the most obvious features of an attack depend.
He felt like a packaged pound of dog meat after slightly less than three hours sandwiched in his warm and comfortable bed between Ethel Rosewater's last frenzied spasm of pleasure and the screaming alarm clock.
His father died suddenly of spasm in the heart in 1801, and his early education was confided by his mother to her sister, Miss Delafield.
If the case is about to terminate fatally the spasms rapidly succeed each other and death usually occurs within two hours, either from asphyxia produced by spasm of the respiratory muscles or more rarely from exhaustion.