Begin by understanding the physiological response to choking. Choking occurs when the airway is obstructed, preventing normal breathing.
Recognize that the inability to speak or breathe is a direct result of the airway being blocked, which is a critical sign of choking.
Consider the body's immediate response to choking: the person may be unable to speak or breathe due to the obstruction in the airway.
Elevated heart rate and rapid breathing can be associated with stress or panic, but they are not definitive signs of choking. Increased salivation may occur, but it is not a primary indicator.
Focus on the inability to speak or breathe as the most significant sign of choking, as it directly indicates an obstruction in the airway.