ECG's Made Easy with correct answers 100% 2025

ECG's Made Easy with correct answers 100% 2025 sudden symptoms of insufficient blood supply to the heart indicating unstable angina or acute myocardial infarction - Correct Answers acute coronary syndrome (ACS) Resistance that the blood has to overcome when leaving the heart - Correct Answers Afterload is the: The precontraction pressure in the heart as the volume of blood builds up. - Correct Answers Preload chest pain that results when the heart does not get enough oxygen - Correct Answers angina pectoris lower tip of the heart - Correct Answers apex of the heart upper chambers of the heart - Correct Answers atria slight pause of impulse between SA and AV so the blood has time to push into the ventricles - Correct Answers atrial kick between atria and ventricles - Correct Answers atrioventricular valves Uncharacteristic signs and symptoms perceived by some patients experiencing a medical condition, such as an ACS - Correct Answers atypical presentation broader area of heart's outline located at the 3rd right and left intercostal spaces - Correct Answers base of the heart the pressure that is exerted by the blood against the walls of blood vessels - Correct Answers blood pressure The volume of blood ejected from the left side of the heart in one minute. - Correct Answers cardiac output "heart strings" are tiny white collagenic cords that anchor the cusps to the ventricular walls. They originate from the papillary muscles. - Correct Answers chordae tendineae pertaining to heart rate - Correct Answers Chronotropy force of contraction - Correct Answers Inotropy rate of electrical conduction - Correct Answers Dromotropic Relaxation of the heart - Correct Answers Diastole percentage of blood volume in the ventricles at the end of diastole that is ejected during systole; a measurement of contractility - Correct Answers Ejection Fraction (EF) inner lining of the heart - Correct Answers endocardium inflammation of the inner lining of the heart - Correct Answers endocarditis outer layer of the heart - Correct Answers epicardium a chronic condition in which the heart is unable to pump out all of the blood that it receives - Correct Answers heart failure an inadequate blood supply to an organ or part of the body, especially the heart muscles. - Correct Answers ischemia Centrally located space between the lungs - Correct Answers Mediastinum Powerhouse of the cell, organelle that is the site of ATP (energy) production - Correct Answers Mitochondria Death of cardiac muscle due to ischemia - Correct Answers myocardial infarction (MI) muscular, middle layer of the heart - Correct Answers Myocardium A long, filamentous organelle found within muscle cells that has a banded appearance - Correct Answers Myofibril Enlarged muscles in ventricles that are attached to chordae tendinae. - Correct Answers papillary muscles Membrane surrounding the heart - Correct Answers Pericardium the opposition to flow that blood encounters in vessels away from the heart - Correct Answers peripheral resistance Closer to the point of attachment - Correct Answers Proximal muscle cell membrane - Correct Answers Sarcolemma Contractile unit of muscle - Correct Answers sarcomere cytoplasm of a muscle cell - Correct Answers Sarcoplasm A condition in which cardiac cells not normally associated with the property of automaticity begin to depolarize spontaneously or when escape pacemaker sites increase their firing rate beyond that considered normal - Correct Answers Abnormal automaticity the period immediately following the firing of a nerve fib