has participant quality muscle spasm AE laryngospasm AE 10023891 a muscle spasm AE which has an outcome of laryngospasm, which is an uncontrolled/involuntary muscular contraction (spasm) of the laryngeal cords. The condition typically lasts less than 60 seconds, and causes a partial blocking of breathing in, while breathing out remains easier. It may be triggered when the vocal cords or the area of the trachea below the cords detects the entry of water, mucus, blood, or other substance. It is characterized by stridor and or retractions. SS, YH, MW HPO: HP_0006511 WEB: http://en.wikipedia.org/wiki/Laryngospasm NCIt:C79609 CTCAE:E13439 SIDER: C0023066 AE severity G2 AE severity G3 AE severity G4 AE severity G5