sixty-four percent of the dogs had tachypnea , 60 % had dyspnea , 56 % vocalized , 52 % were pruritic , 48 % held their necks rigidly , 36 % vomited , 36 % had muscle spasms , 36 % were aggressive , 28 % had trismus , and 24 % had dysphagia .
C0037763
muscle spasms
C0041105
trismus