Living with AF: what to know

AF, or atrial fibrillation, is an irregular heart rhythm that may cause palpitations, breathlessness, tiredness, dizziness, or reduced exercise tolerance. Some people have few symptoms, so follow-up remains useful even when you feel well.

Symptoms can be affected by illness, poor sleep, alcohol, dehydration, stress, or stimulant use. Difficulty concentrating, irritability, or feeling anxious may occur when symptoms disrupt sleep or create worry, but they do not identify the rhythm on their own.

Take prescribed rhythm, rate-control, or blood-thinning medicine consistently and ask before changing a dose. Keep a record of palpitations, pulse readings if your clinician recommends them, triggers, missed doses, and associated symptoms.

Attend planned reviews so your clinician can reassess symptoms, medicines, and stroke-prevention needs. Limit personal triggers identified with your care team, maintain sensible hydration, and seek advice before starting supplements or non-prescription medicines.

Call emergency services for chest pain, severe breathlessness, fainting, new weakness or numbness on one side, facial drooping, trouble speaking, or sudden severe confusion. Seek prompt medical advice for a sustained rapid or irregular heartbeat with dizziness, worsening breathlessness, or unusual bleeding while taking a blood thinner.

Ask what type of AF you have, how to record episodes, which medicines must not be missed, what bleeding signs matter, and which symptoms require emergency help. Ask whether a mental health assessment would help if worry is affecting sleep or daily life.