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These conditions can include: Right bundle branch block may also be seen with any condition that raises pressure in the right ventricle. Right ventricular (RV) strain means theres a problem with the muscle in the hearts right ventricle. The condition is a medical emergency, the complications of which include pulmonary edema, shock, and death. Learn from a couple of unique situations. The diagnostic value and prognostic significance of the ECG pattern needs to be explored both in the general population and in patients with cardiovascular or pulmonary disease. The PR interval is assessed in order to determine whether impulse conduction from the atria to the ventricles is normal. Pulmonary hypertension, classified as group III in the World Health Organization classification scheme for pulmonary hypertension, may result in severe right ventricular dysfunction caused by lung disease, also known as cor pulmonale. ECG Disease Patterns ECG Disease Patterns Bookmark Share The electrocardiogram can be used to diagnose a wide variety of cardiac and non-cardiac conditions. Video chat with a U.S. board-certified doctor 24/7 in less than one minute for common issues such as: colds and coughs, stomach symptoms, bladder infections, rashes, and more. Pulmonary Vascular Disease: Symptoms, Causes, Tests, and Treatments - WebMD These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Dr. Stephen Tobias, MD is a Cardiology Specialist in Parkland, FL. Imaging in Low Back Pain: Is X-ray or Rapid MRI Better? Our website services, content, and products are for informational purposes only. ECG demonstrates many of the features of chronic pulmonary disease: Sinus tachycardia may be due to breathlessness, hypoxia or bronchodilator therapy. Computer imaging (tomography) refers to several non-invasive diagnostic-imaging tests that use computer-aided techniques to gather images of the heart. It usually resolves quickly (within minutes) once the catheter is removed. Brought to you by Merck & Co, Inc., Rahway, NJ, USA (known as MSD outside the US and Canada) dedicated to using leading-edge science to save and improve lives around the world. 2.20 Ring around the artery sign. What is the formula for calculating solute potential? Dr. Ali is also an award-winning writer. How do I choose between my boyfriend and my best friend? We look forward to having you as a long-term member of the Relias #mc-embedded-subscribe-form .mc_fieldset { Read our, The Heart's Electrical System: Anatomy and Function, Sinus Rhythm: What's Normal and What's Not, How to Treat Wide and Narrow Tachycardia in the Field, Importance of the Atrioventricular (AV) Node, An Overview of Dilated Cardiomyopathy Heart Failure, Cardiac Resynchronization Therapy (CRT) for Heart Failure, When a Pacemaker Is Needed for a Heart Block, chronic obstructive pulmonary disease (COPD), Clinical implications of electrocardiographic bundle branch block in primary care, AHA/ACCF/HRS recommendations for the standardization and interpretation of the electrocardiogram: part III: intraventricular conduction disturbances: a scientific statement from the American Heart Association Electrocardiography and Arrhythmias Committee, Council on Clinical Cardiology; the American College of Cardiology Foundation; and the Heart Rhythm Society.