Heat-Related Symptoms
The most common symptoms during the work shift were racing heartbeat or palpitations
(30%), headache (20%), muscle cramps (13%), and lightheadedness or dizziness (13%).
Less common symptoms included confusion or disorientation (8%), unsteady walk (5%),
and nausea or vomiting (2%). The only participant who reported nausea or vomiting had the
highest peak T
c
value of 102.83°F.