Can you name the Cardiac Physiology Vocab? created by brenlo Enter an answer in the box below Correctly named answers will show up below Click any empty Definition or Term to answer for that location This quiz has not been verified by Sporcle

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Definition Term the portion of the electrocardiogram comprising the Q, R, and S waves, together representing ventricular depolarization the volume of blood left in the ventricle after systole (contraction) =Stroke Volume * Heart Rate vessel carrying blood away from the heart heart-attack; death of cells following cessation of blood supply specialized myocardial fibers in the ventricle that conduct an electrical stimulus or impulse that enables the ventricles to contract in a coordinated fashion. The law that states that an increase in cardiac muscle fiber length before contraction causes an increase in end diastolic volume (EDV) which causes an increase in stroke volume (S vessel carrying blood to the heart pumping blood to the body and back to the heart merging cells that act as a unit blood without O2 (with CO2) The thick muscle layer of the heart either of the two upper chambers of the heart EKG wave caused by depolarization of ventricles =End diastolic volume - End Systolic volume the amount of blood flowing into the heart from the veins Thin inner layer of the heart amount of blood left in the ventricle after relaxation (diastole) fast heart rate an area in the heart that initiates abnormal beats slow heart rate

Definition Term thin outer layer of the heart heart contraction of atria and ventricles EKG wave caused by depolarization of atria pumping blood to lungs and back to the heart variation from normal heart rhythm 'pacemaker,' sets the heart rate an increase in force of contraction not due to a change in end diastolic volume specific arrangement of a pair of electrodes the valve between the right atrium and ventricle either of the two lower chambers of the heart the valve between the left ventricle and the aorta flat cells that line the entire vascular system fibrous sac around the heart tool for evaluating the electrical events in the heart. fibrous rings that surround the AV and semilunar valves valves between the ventricles and arteries temperature, plasma electrolytes (especially K+), and thyroid hormones, all may effect ______ thin, watery fluid between the epicardium and parietal pericardium which prevents friction on the beating heart part of the heart's conduction system that is the link between the two syncytia 'the link to the ventricles' the valve between the right ventricle and the pulmonary artery able to initiate own action potentials rhythmically

Definition Term valves between the atria and ventricles (bicuspid and tricuspid) an uncoordinated contraction in which small areas of the myocardium contract and relax independently 'cardiac chaos' (looks like squirming worms) the volume of blood ejected from the ventricle during one contraction of the ventricle, also, difference between end systolic volume and end diastolic volume heart rate without other bodily influences (~100 bpm) approximate cardiac output for the average adult at rest in L/m the amount of blood pumped by either ventricle per minute, usually measured in L/m, the impulse generating (pacemaker) tissue located in the right atrium of the heart, and thus the generator of sinus rhythm. the voltage created by impulses from an artificial electronic pacemaker or the SA node which drives the rhythmic firing of the heart the valve between the left atrium and ventricle EKG wave caused by repolarization of ventricles bundle of conductive tissue in ventricular septum blood with O2 lines the fibrous pericardium the division between the left and right halves of the heart heart relaxation of atria and ventricles approximate cardiac output for the average adult during exercise in L/m approximate cardiac output for the average adult while walking in L/m small connecting (protein) tunnels between cells heart rate at rest (~70 bpm) The maximum arterial pressure during the cardiac cycle

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