Introduction
Dizziness can mean different things to different people: light-headedness, feeling faint, unsteadiness, or a sense that the room is moving. It is often not caused by the heart, but it deserves a careful explanation when it is recurrent, sudden, occurs with palpitations or happens during activity.
What we look for
The first step is to understand exactly what you felt and when. We will ask about posture, hydration, medicines, recent illness, exertion, palpitations, chest discomfort and whether you actually lost consciousness. Blood pressure and heart rate, including measurements after standing where appropriate, may help clarify the picture.
An ECG or rhythm monitor may be useful if a rhythm disturbance is possible. If there are symptoms during exercise, a family history of inherited heart disease, or a previous blackout, the assessment may need to be more focused.
Our experience
- Dizziness on standing may relate to blood pressure, medicines or hydration; dizziness with a racing heart can point to a rhythm question.
- An isolated brief spell is often different from recurrent or worsening symptoms.
- Sudden dizziness with neurological symptoms, chest pain, collapse or severe breathlessness requires urgent help.
Patient note
“The word dizziness covers several different feelings. Once we have separated them out, the right next step is usually much clearer.”
FAQ
Does dizziness always mean a heart rhythm problem?
No. Inner-ear conditions, migraine, infection, low blood pressure, medication and many other factors can cause dizziness. The timing and associated symptoms help decide whether the heart needs investigation.
When should I seek urgent help?
Call 999 if dizziness comes with signs of stroke, severe chest pain, severe breathlessness, collapse, or you feel seriously unwell.
What should I record before an appointment?
Note the sensation, duration, posture, activity and any accompanying palpitations, chest symptoms or visual or neurological symptoms.
Can medication contribute to dizziness?
Yes. Some medicines can affect blood pressure or heart rate, so bring an up-to-date list of prescribed and non-prescribed medicines.