Cardiologists explain physical reactions of fans at music festivals

Cardiologists explain that the intense physical reactions experienced by fans at music festivals, such as Rock in Rio, are direct physiological responses to euphoria and expectation. When fans encounter their idols, the sympathetic nervous system is activated, triggering the release of adrenaline. This process can cause an increased heart rate, elevated blood pressure, and faster breathing, even if the individual is standing still.

Beyond heart palpitations, other common physical manifestations include sweating, tremors, sensations of heat, and weakness in the legs. Experts note that external factors common at large events—such as dehydration, heat exposure, lack of food, and the consumption of alcohol or energy drinks—can exacerbate these symptoms. While these reactions are typically transient for healthy individuals, medical professionals advise seeking evaluation for symptoms like chest pain, fainting, or persistent palpitations, particularly for those with pre-existing cardiovascular conditions.