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Prof. Dr. med. Heinrich Klues image

Department of cardiology and rhytmology

Prof. Dr. med. Heinrich Klues
internal medicine, cardiology

About the department

The department of cardiology and rhytmology at Helios Hospital Krefeld offers a full range of services to diagnose and treat patients with heart and vascular diseases. For emergency medical care, the department has a chest pain unit. The outpatient chest pain centre is available to all patients who come to the clinic with acute chest pain on an emergency basis or through their family doctor. Together with the cardiac surgery intensive care unit, doctors treat more than 850 patients a year. Six unique and modern rooms allow doctors to provide personalised care. All rooms in the department are equipped with the latest medical technology, such as ventilators, perfusion, infusion pumps and a monitoring system. In addition, the department has the latest equipment for cardio MRI and cardio CT. The department conducts about 2,000 examinations per year.

The key focus for the doctors of the department is the treatment of rhythm disturbances - arrhythmias. The department is certified as an atrial fibrillation centre by the German Society of Cardiology. The department is the first in the Lower Rhine region to receive this award. In treating cardiac arrhythmias, experienced doctors use the latest diagnostic and ablation techniques to help patients regain a better quality of life. Also, the focus is on post-operative follow-up after heart surgery (bypass surgery, heart valve surgery, aneurysm surgery) and the treatment of severe left and right ventricular heart failure. The cardiology team of cardiologists, cardiac surgeons, and cardiac anaesthetists discuss each patient's best course of treatment. The department aims to treat patients competently and provide comprehensive assistance before, during, and after therapy.

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Treatment and diagnostic focus of the department


  • Heart failure
  • Congenital and acquired heart defects
  • Coronary artery disease
  • Valvular heart disease
  • Cardiac arrhythmias
  • Cardiomyopathy
  • Hypertension
  • Cardiovascular diseases associated with hypertension
  • Ischemic heart disease


  • Anamnesis 
  • Physical examination 
  • ECG, long-term ECG, stress ECG
  • Long-term blood pressure measurement
  • Echocardiography (ultrasound of the heart)
  • Transesophageal echocardiography
  • Stress echocardiography
  • Spirometry
  • Cardiac magnetic resonance imaging (cardio-MRI at rest and stress-cardio-MRI)
  • Cardiac computed tomography (cardio CT)
  • Catheter examination of the heart (ambulatory, coronary angiography)
  • Laboratory diagnostics of cardiovascular parameters


  • Conservative treatment (drug therapy) 
  • Bypass surgery
  • Heart valve surgery
  • Aneurysm surgery
  • Heart catheterisation 
  • Ablation 
  • Angioplasty and stenting 
  • Electrical cardioversion 
  • Other treatment services 
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Doctor profile


  • 1976 - 1983 Study of Medicine at the Westphalian Wilhelm University of Münster
  • 1983 Final examination. Medical License
  • 1983 - 1987 Internship, Internal Medicine, St. Joseph’s Hospital Warendorf, Department of Internal Medicine 
  • 1987 - 1989 Internship (Senior Fellow), Department of Cardiology, General Hospital Bielefeld-Mitte
  • 1989 - 1991 Research Fellowship, National Institute of Health (National Heart, Lung and Blood Institute; NHLBI), Cardiology and
  • Cardiac Pathology, Bethesda, Maryland, USA 
  • 1991 Research Fellow, Department of Internal Medicine I, University Hospital Aachen


  • 1988 Medical Specialist in Internal Medicine 
  • 1992 - 1995 Assistant Medical Director, Department of Internal Medicine I, University Hospital Aachen
  • 1993 Medical Specialist in Cardiology
  • 1995 - 1999 Representative of the Head of the Department of Internal Medicine I, University Hospital Aachen
  • 1998 Medical Specialist in Internal Intensive Care
  • 1999 Head of the Department of Cardiology, Helios Clinic Krefeld
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