There appears to be a complete paralysis, and death from apnoea seems to be imminent.
In occasional instances, chiefly in children, it terminates fatally by apnoea from extension of the membrane into the larynx.
When the temperature is at about 16 C., the periods of apnoea in the gradually awaking animal are very short and infrequent.
Their paralysis is very ominous, and may prove fatal in a short time from apnoea.
Later, when the danger to life from apnoea becomes more imminent, a hissing or whistling sound succeeds.
apnea ap·ne·a (āp'nē-ə, āp-nē'ə)
Temporary absence or cessation of breathing.