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Cardio-Pulmonary Diagnostic Unit

doctor listening to patients heart

The Cardio-Pulmonary Diagnostic Unit has a dedicated team of highly skilled specialists in cardiac, respiratory and sleep diagnostics, who provide a range of specialised diagnostic tests and investigations for both the heart and lungs. 

The team of specialists consists of Head of Department; Clinical Scientist; Highly Advanced or Specialised Cardiac or Respiratory / Sleep Physiologist; Senior Technical Officers; Assistant Technical Officers; Student Clinical Scientist; Student Physiologist and a supporting Administration team.

We provide services at:

  • Prince Charles Hospital
  • Royal Glamorgan Hospital
  • Ysbyty Cwm Cynon (YCC)
  • Ysbyty Cwm Rhondda (YCR)
  • Keir Hardie University Health Park
  • Dewi Sant Hospital

Not all of our services are available at all hospital sites.

Who is it for?

The tests and investigations we offer in the Cardio-Pulmonary Diagnostic Unit are:

Cardiac investigations

  • Electrocardiograms (ECGs)
  • Exercise Stress Testing – Doctor led
  • Exercise Stress Testing – Physiologist led
  • Ambulatory 24hr ECG Monitoring
  • Ambulatory 24hr Blood Pressure Monitoring
  • Cardiac Novacor Event Monitoring
  • Cardio Call Event Monitoring
  • Transthoracic Echocardiogram
  • Transoesophageal Echocardiogram
  • LV Opacification Echocardiogram- Physiologist led
  • Bubble Study (for shunts) – Physiologist led
  • Dobuatamine Stress Echocardiography – Physiologist led
  • Tilt Test
  • Pacemaker Follow Up Clinics
  • Pacemaker Implants (In The Cardiac Day Case Unit)

Respiratory Investigations

  • Spirometry
  • Full Pulmonary Function Tests
  • Bronchodilator Response Studies
  • Fractional Exhaled Nitric Oxide (FeNO) Test
  • Field Exercise Test
  • Mannitol Challenge Test
  • Flight Assessments
  • Skin Prick Allergy Test
  • Respiratory Muscle Function Tests
  • Capillary Blood Gases
  • Cardio-Pulmonary Exercise Test (CPET)

Sleep Investigations and Services

  • Pulse Oximetry Sleep Studies
  • Limited Channel Sleep Studies
  • CPAP Therapy Setup Clinic
  • CPAP Therapy Follow Up Clinic

Can anyone use this service?

All investigation are requested via referrals from a hospital consultant.  You may have previously seen the doctor in an outpatient in clinic or have a future outpatient appointment therefore some tests are required before you have seen the doctor.

Opening Times
Monday – Thursday 8am – 6pm, Friday – 8am – 5.30pm

What to expect

As we provide a wide variety of investigations in the department, each procedure requires their own pre-test instructions, requirements and each investigation will have a different appointment time. If you require further information about your specific test(s) click on the relevant test procedure on this page and the information will be provided.

Contact Us

For all appointments and queries please contact the relevant receptions on:
Prince Charles Hospital – 01685 728403
Royal Glamorgan Hospital – 01443 443226

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