When a person is having fast breathing, irregular heartbeat, in this situation first aid should be given to stabilize the person because these symptoms might lead to heart attack.
First Aid
Possibly leave a stressful situation and try to calm down
Cut back on tea, coffee, chocolate and colas
Don’t use tobacco products
Stay away drinking alcohol
Avoid using illegal drugs
Avoid stimulants in cough and cold medicines or decongestants
Seek medical help, if
dizzy
confused
light-headed
passing out
shortness of breath
slight pain, pressure or tightness in the chest, neck, jaw or arms and upper back