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- NewYork-Presbyterian/Columbia Announces State-of-the-Art, Vivian and Seymour Milstein Family Heart Center in Washington Heights
- "Bad" Cholesterol May Not Be the Best Predictor of Heart Disease Risk in Generally Healthy Individuals
- 9/11 Lifestyle Changes May Increase Cardiovascular Risk
- Americans Encouraged to Make Many Lifestyle Changes, Not Just One, to Reduce Cardiovascular Risk
- A NYC First: Patient Participates in Stem Cell Clinical Trial to Repair Heart Damaged by Severe Coronary Artery Disease
- Columbia Research Suggests Need to Rethink Causes of Heart Failure
- Columbia Scientists Study Advantages of Using Web to Tailor Medical Information to Patients
- Columbia University Medical Center Instrumental in Clinical Research Leading to Medicare and Medicaid Approval To Cover Heart Pump
- Columbia University Medical Center Study Shows Stress Test Saves Lives of Patients With Chest Pain
- Computerized Electrocardiogram Rhythm Errors Common, NewYork-Presbyterian/Weill Cornell Study Finds
- Diabetics Benefit Less from Anti-Hypertensive Treatment to Reduce Enlarged Heart
- Electrocardiogram Helps Predict Risk for Congestive Heart Failure in Hypertensive Patients
- For High-Blood-Pressure Patients, Preventing or Reducing Enlarged Heart Decreases Risk of Heart Failure
- For High Blood Pressure Patients, Preventing or Reducing Enlarged Heart May Decrease Risk for Diabetes
- Gender Differences and Heart Disease
- Gene Test Detects Heart Transplant Rejection
- Genetic Medicine Program at Weill Cornell Receives Major Boost from The Starr Foundation
- Health Effects of Secondhand Smoke Studied in First-of-Its-Kind Series of Clinical Studies
- JAMA Article Looks at Data-Sharing in Clinical Trials for Heart Disease
- Keeping the Beat: NewYork-Presbyterian Offers Heart Patients New Combination Defibrillator/Pacemakers
- Larger Waistline Is Linked to Increased Risk for Heart Disease in Women
- Left Ventricular Assist Devices May Improve Heart Function and Lead to Search for New Therapies To Obviate Need for Transplants
- Lovastatin Treatment Reduces Events in Patients at Varying Degrees of Coronary Risk and Reduces Need for Invasive Procedures
- Low-Dose, Over-the-Counter Statins May Be Safe, Effective Aid in Preventing Heart Disease for Americans at Moderate Risk, Says Weill Cornell Dean
- Morgan Stanley Children's Hospital Performs Transcatheter Pulmonary Valve Replacement
- New Laser Technology Offers Promise for Heart Disease Patients
- New Methodology Gives Weill Cornell Team Insights into Psychological Value of Cardiac Stress Testing
- New Treatment for Enlarged Heart Effective, NewYork Weill Cornell Study Shows
- NewYork-Presbyterian/Weill Cornell Physician-Scientists Present Findings at American Heart Association's Annual Conference
- NewYork-Presbyterian Hospital and Columbia University Medical Center Physician-Scientists Present Clinical Research at American Heart Association's Annual Conference
- NYC First: NewYork-Presbyterian/Columbia Cardiologists Implant Novel Stroke-Prevention Device for Heart Patients with Atrial Fibrillation
- Physician-Scientist Urges Improved Drug Regulation to Ensure Safety of Non-Heart Drugs
- Potential for Adult Stem Cells to Repair Hearts Damaged by Severe Coronary Artery Disease Investigated in Ongoing Study
- Reducing Enlarged Heart Muscle Cuts Patients' Cardiac Risk, Independent of Lowered Blood Pressure, NewYork-Presbyterian/Weill Cornell Researchers Report
- Researcher Predicts Paradigm Shift in Heart Disease Treatment
- Research Shows Cholesterol-Lowering Drug Lovastatin Reduces Risk of Heart Attack in Healthy Adults
- Scientific Evidence Points to Male Biological Clock
- Screening for Abdominal Aortic Aneurysms in Women May Save Lives
- Weill Cornell Physician-Scientists Win 2 Top Awards at American Heart Association Meeting
- Weill Cornell Receives $7.6 Million Federal Grant for Clinical Trials on New Ways To Change Behavior in Patients With Cardiopulmonary Disease
- Weill Cornell Researchers Announce New Gene Therapy Strategy To Promote Hair Growth
- Weill Cornell Researchers Identify a Likely Genetic Cause of Atherosclerosis
- Weill Cornell Scientists Reveal Action of a Histamine Receptor That May Lead to New Therapies for Heart Attacks
- Weill Cornell Study Illuminates Cardiac Scarring That Leads to Heart Failure
Research and Clinical Trials
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Health Library
Return to Electrocardiograms (ECGs), Stress Tests, Holter Monitor and Event/Loop Recorders Overview
More on Electrocardiograms (ECGs), Stress Tests, Holter Monitor and Event/Loop Recorders
- Angina Pectoris
- Arrhythmias
- Atrial Fibrillation and Atrial Flutter
- Bradycardia, Heart Block and Bundle Branch Block
- Cardiomyopathy
- Congenital Heart Defects
- Congestive Heart Failure
- Coronary Arteries: Anatomy and Function
- Coronary Artery Disease
- Diabetes and Heart Disease
- Heart's Electrical System: Anatomy and Function
- Heart Attack (Myocardial Infarction)
- Heart Murmurs
- Heart Valve Diseases
- Heart Valves: Anatomy and Function
- Implantable Converter Defibrillators
- Mitral Valve Prolapse
- Pacemakers
- Rheumatic Heart Disease
- Sudden Cardiac Death
- Supraventricular Tachycardia
- Vascular Disease
- Ventricular Tachycardia and Ventricular Fibrillation
- Vital Signs
Clinical Services
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- Advanced Diagnostics
- Alcohol Septal Ablation
- Angiograms
- Angioplasty and Stenting
- Arrhythmia Control
- Artificial Heart Devices: LVAD
- Cardiac Electrophysiologic Studies and T-wave Alternans Testing
- Cardiac Magnetic Resonance Imaging (MRI)
- Cardiac Rehabilitation
- Cardiology
- Cardiothoracic Surgery
- Catheter Ablation for Cardiac Arrhythmias
- Coronary Artery Bypass Surgery (Grafting)
- Echocardiograms
- Heart Transplant Surgery
- Heart Valve Repair and Replacement
- Implantable Converter Defibrillators and Biventricular Pacing
- Intravascular / Intracoronary and Intracardiac Ultrasound
- Nuclear Imaging For Heart Disease (PET scans, MUGA scans)
- Off-pump Surgery
- Pacemakers
- Pediatric Heart Surgery
- Preventive Cardiology
- Robotic Heart Surgery
- Surgery for Adult Congenital Heart Disease
- Tilt Testing
- Transmyocardial Revascularization
- Treatment of Peripheral Arterial Disease
- Treatments for Heart Valve Disease
Electrocardiograms (ECGs), Stress Tests, Holter Monitor and Event/Loop Recorders
An electrocardiogram (ECG) is a diagnostic test that is used to detect abnormalities in the heart's rhythm. It also can provide important information about damage to the heart, valve disorders, structural abnormalities in the heart's walls, and more. NewYork-Presbyterian Hospital provides the full range of advanced electrocardiography services, including:
Resting ECG. This test monitors the heart's activity at rest.
Exercise ECG. This test monitors the heart's activity under conditions of physical exercise. It is used for the evaluation of exercise capacity, for the detection of coronary disease and the assessment of its severity, for prediction of cardiovascular risk, and for monitoring the response to treatment.

Signal-averaged ECG. Performed for 15-20 minutes, information obtained from this test is processed by a computer to permit detection of cardiac abnormalities that might not be detected by standard ECG. Signal-averaged ECG is used when arrhythmia is suspected but not seen on a resting ECG, since arrhythmias may be transient in nature and not seen during the short recording time of the resting ECG.
Holter (Ambulatory) Monitoring. The Holter monitor is a portable electrocardiograph machine that allows readings to be made over a 24-hour period, while the individual is performing the usual activities of daily living at home or at work.
Event/loop Recording. Portable event/loop recorders can monitor heart activity for weeks to months, while the device is worn by the individual at home. A permanent record is kept only when the patient activates the recorder during periods when symptoms are felt.
Contact
- Cardiology, NewYork-Presbyterian/Columbia
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Directions
(212) 305-4736
- Cardiology, NewYork-Presbyterian/Weill Cornell
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Directions
(212) 746-2150
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- Cardiology, NewYork-Presbyterian/Columbia
- Cardiology, NewYork-Presbyterian/Weill Cornell
- NewYork-Presbyterian Heart
- NewYork-Presbyterian Heart Advanced Diagnostics
- Cardiology Research, NewYork-Presbyterian/Columbia
- Cardiolovascular Research, NewYork-Presbyterian/Columbia
- Cardiology Research, NewYork-Presbyterian/Weill Cornell