Private ECG Test in London
Same Day and Next Day Results & 24-Hour Monitoring at Marylebone Diagnostic Centre
Fast, Accurate, Professional Cardiac Testing
Book your ECG today and get peace of mind in Central London.
Book Your ECG Test
ECG Services
Standard ECG (Next Day Result)
Quick 5–15 minute test recording your heart’s electrical activity. Results available next day.
£120
Standard ECG (Same Day Result)
Fast and accurate electrocardiogram with results provided the same day.
£150
24-Hour Holter Monitor
Continuous monitoring for 24 hours to detect palpitations, dizziness, or fainting.
£285
3-Day Monitoring
Extended Holter monitoring for three days to capture intermittent heart rhythm issues.
£310
7-Day Monitoring
Comprehensive monitoring over a week to detect complex or rare heart conditions.
£360
For the best results with 24-hour, 3-day, or 7-day ECG monitoring, we recommend shaving chest hair in the electrode areas to help the pads stay secure throughout the test.
Why Choose Marylebone Diagnostic Centre?
- Fast results – same day reporting for standard ECGs
- Private central London clinic – based on Baker Street, near Harley Street & Paddington
- Affordable – ECG test from £130
- Expert care – tests performed by trained clinicians under our Marylebone High Standard
- Convenient booking – walk in or schedule online
What Conditions Can an ECG Detect?
- Arrhythmias (irregular heartbeat)
- Coronary heart disease
- Cardiomyopathy
- Heart valve problems
- Previous or current heart attack
FAQs – Private ECG Test in London
Both mean the same test. ECG is the British spelling, EKG the German/US version.
A normal ECG shows steady rhythm, regular heart rate, and normal conduction. Our clinicians explain your results the same day.
It may indicate arrhythmia, reduced blood flow, or signs of a past heart attack. Further tests may be needed.
Electrocardiogram – a quick, safe test that records your heart’s electrical signals.
Our Holter monitors record continuously for 24 hours. Extended monitoring (48+ hours) can also be arranged.
Standard ECG from £130. Holter monitoring available on request, from £285.
Yes. ECGs reliably diagnose arrhythmias like atrial fibrillation, ectopic beats, and irregular rhythms.
Yes, same-day ECG results are available. Holter results are usually available the next day after device return.
No. ECG is painless and non-invasive. Small electrodes are placed on your skin – no needles or injections.
No preparation needed. Wear loose clothing. You can eat and drink as normal.