Cardiology Diagnostics: UCLH

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The University College London Hopitals (UCLH) cardiology diagnostics service is open for Holter monitors, ECGs and ECHOs.

Please note: changes have been made to previous process, which include:

  • ECG walk-in service with restricted opening times (Tues/Thurs 1.30pm-4.45pm, Wed 9am-4.45pm). ECG walk-ins that attend outside of these times will be turned away.
  • A clear indication why the test is needed, with a blood test result and/or an ECG tracing as part of the referral.
  • All referrals for an ECHO will be triaged for appropriateness, and rejected if there is insufficient information. 

See Downloads for referral pathway information.

Service description

Non-invasive diagnostic services include

  • routine ECG (walk-in service only)
  • exercise tolerance test
  • Holter tape tests
  • 24-hour blood-pressure monitoring
  • transthoracic echocardiogram.

How to refer

The following clinicians can refer to this service: GPs

EMIS form

Referral methods: Email

For diagnostic referrals (e.g. 24-hour tape, blood pressure, echocardiogram, exercise tolerance tests), complete the Request for Cardiac Investigation - UCLH  form and email to

Where to find the form

In local EMIS global document library systems as follows:

Barnet: Bar Global Documents > Diagnostics (BAR Global) 
Enfield: ENF Global Documents > Cardiology 
Haringey: HAR Global Documents > Cardiology 
Islington: ISL Global Documents > Cardiology 

Camden: Find the form on the Camden EMIS Forms page