If tachycardias can be induced during the EP study, then by studying the electrical signals recorded from the electrode catheters, the precise cause of the tachycardia can usually be identified. Once this is accomplished, the appropriate therapy for the tachycardia usually becomes clear.
A dilute acid is one that is not very concentrated. You can make an acid solution more dilute by adding water. Note that you have to be careful with the terms strong and weak; very strong acids can also be very dilute.
medical Definition of hydrochloric acid : an aqueous solution of hydrogen chloride HCl that is a strong corrosive irritating acid, is normally present in dilute form in gastric juice, and is widely used in industry and in the laboratory â called also muriatic acid