Cath lab

A catheterization laboratory, commonly referred to as a cath lab, is an examination room in a hospital or clinic with diagnostic imaging equipment used to visualize the arteries of the heart and the chambers of the heart and treat any stenosis or abnormality found.

Cath lab
German cardiac catheterization laboratory
Purposevisualize the arteries of the heart and the chambers of the heart

Equipment

Most catheterization laboratories are "single plane" facilities, those that have a single X-ray generator source and an x-ray image intensifier for fluoroscopic imaging.[1] Older cath labs used cine film to record the information obtained, but since 2000, most new facilities are digital. The latest digital cath labs are biplane (have two X-ray sources) and use flat panel detectors.[2]

Staff

Cardiac catheterization laboratories (or Cath Lab) are usually staffed by a multidisciplinary team. This may include a medical practitioner (normally either a consultant cardiologist or radiologist), cardiac physiologist, radiographer and nurse.[3][4]

Medical practitioner

The consultant cardiologist is responsible for gaining arterial access, inserting a sheath into either the radial or femoral artery, passing a wire and catheter into the coronary artery and selectively injecting contrast media into the coronary arteries. They then interpret the images taken to ascertain where the narrowed or blocked artery has the problem. They use a variety of techniques and imaging tools to work the size of things such as balloons and stents.

Cardiac physiologist

Cardiac physiologists usually set up what is known as a transducer to monitor pressure in the arteries. They also have a live view of the patients ECG so they can tell whether or not there is a problem being caused by the insertion of the catheter into the heart to the electrical pathways.[5][6] The physiologist will also set up a temporary pacemaker if the procedure is an angioplasty or a PCI. Finally, they also set up defibrillators on to the patient for emergency use if needed. In some locations, some of these responsibilities may be carried out by other personnel, such as trained nurses or technologists.[7]

Procedures
Main article: Cardiac catheterization

Cardiac catheterization is a general term for a group of procedures that are performed in the cath lab, such as coronary angiography. Once a catheter is in place, it can be used to perform a number of procedures including angioplasty, PCI (percutaneous coronary intervention) angiography, transcatheter aortic valve replacement, balloon septostomy, and an electrophysiology study or catheter ablation. Devices such as pacemakers may be fitted, or rotablation to remove plaque can be performed.[8][9]

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See also

References
  1. Hertrich, Peter (2005-07-11). Practical Radiography. John Wiley & Sons. p. 96. ISBN 9783895782107.
  2. Sievert, Horst; Qureshi, Shakeel; Wilson, Neil; Hijazi, Ziyad M. (2007-03-20). Percutaneous Interventions for Congenital Heart Disease. CRC Press. p. 7. ISBN 9780203018262.
  3. Banning, Adrian P; Baumbach, Andreas; Blackman, Dan; Curzen, Nick; Devadathan, Sen; Fraser, Douglas; Ludman, Peter; Norell, Micheal; Muir, Dougie; Nolan, James; Redwood, Simon (3 June 2015). "Percutaneous coronary intervention in the UK: recommendations for good practice 2015". Heart. 101 (Suppl 3): 1–13. doi:10.1136/heartjnl-2015-307821. PMC 4484255. PMID 26041756.
  4. Naidu, Srihari S.; Aronow, Herbert D.; Box, Lyndon C.; Duffy, Peter L.; Kolansky, Daniel M.; Kupfer, Joel M.; Latif, Faisal; Mulukutla, Suresh R.; Rao, Sunil V.; Swaminathan, Rajesh V.; Blankenship, James C. (September 2016). "SCAI expert consensus statement: 2016 best practices in the cardiac catheterization laboratory". Catheterization and Cardiovascular Interventions. 88 (3): 407–423. doi:10.1002/ccd.26551. PMID 27137680.
  5. "Emergency angioplasty: inside the catheter lab". British Heart Foundation. Retrieved 2 January 2018.
  6. "What does a cardiac physiologist do?". British Heart Foundation. Retrieved 2 January 2018.
  7. Watson, Sandy; Gorski, Kenneth (2010). "Cath Lab Staff Duties". Invasive Cardiology: A Manual for Cath Lab Personnel. Jones & Bartlett Learning. pp. 119–129. ISBN 9780763764685.
  8. "What to expect in a cath lab". British Heart Foundation. Retrieved 20 April 2017.
  9. Kobus, Richard L. (2008-04-25). "Interventional Departments". Building Type Basics for Healthcare Facilities. John Wiley & Sons. p. 67. ISBN 9780470135419.
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