Glomerular filtration rate A measure for level of kidney function to determine the stage of kidney Chronic Heart Failure Glossary NICE 2018. All rights reserved. Subject to Notice of rights. ISBN: 978-1-4731-3093-7 Term Definition disease. Heart failure The heart is unable to pump blood around the body properly. It usually occurs because the heart has become too weak or stiff. Heart failure with preserved ejection fraction A form of congestive heart failure where in the amount of blood pumped from the heart's left ventricle with each beat (ejection fraction) is greater than 50%. HFREF The heart muscle is not able to contract adequately and, therefore, expels less oxygen-rich blood into the body Hypertension Also known as high blood pressure (HBP), is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. Implantable Cardioverter Defibrillators Small devices to treat abnormal heart rhythms Ischemic heart disease When arteries are narrowed, less blood and oxygen reaches the heart muscle. This is also called coronary artery disease and coronary heart disease. Jugular venous pressure Indirectly observed pressure over the venous system via visualization of the internal jugular vein. Myocardial infarction Commonly known as a heart attack, occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart muscle. Natriuretic peptides The excretion of sodium by the kidneys. N-terminus pro B type natriuretic peptide A non-active prohormone that is released from the same molecule that produces BNP. See B-type natriuretic peptide Paroxysmal nocturnal dyspnoea Attacks of severe shortness of breath and coughing that generally occur at night. Percutaneous coronary intervention is a non-surgical procedure used to treat narrowing (stenosis) of the coronary arteries of the heart found in coronary artery disease. 