What is Tachycardia?

Tachycardia is a condition characterized by an abnormally rapid heart rate, typically exceeding 100 beats per minute in adults. It can occur due to various factors such as stress, physical exertion, fever, or underlying medical conditions affecting the heart. Recognizing and managing tachycardia is essential in first aid to prevent complications such as fainting, chest pain, or cardiac arrest.

Assessment involves measuring the casualty's heart rate and monitoring for symptoms such as palpitations, dizziness, shortness of breath, or chest discomfort. Responders may assist by helping the casualty rest in a comfortable position, calming them to reduce anxiety, and providing reassurance. If symptoms persist or worsen, activating emergency medical services for further evaluation and treatment is recommended.

Types of Tachycardia

Atrial Fibrillation: Irregular and often rapid heart rate.
Supraventricular Tachycardia (SVT): Rapid heart rate originating above the heart's ventricles.
Ventricular Tachycardia: Rapid heart rate originating in the heart's lower chambers.

First Aid for Tachycardia

Stay Calm: Encourage the person to remain calm and take deep breaths.
Position Comfortably: Have the person sit or lie down in a comfortable position.
Avoid Stimulants: Keep the person away from caffeine or other stimulants.
Seek Medical Help: If the person experiences chest pain, shortness of breath, or fainting, call emergency services immediately.

Takeaway to Remember

Tachycardia refers to a heart rate that is faster than normal. While the heart rate varies by age, generally, a heart rate over 100 beats per minute in adults is considered tachycardia.

Reference

First Aid e-Manual Tachycardia