747 



Goat 



normal and extrasystolic activity, 312 

 ventricular wall excitation in, 303 



GOT: see Glutamic-oxalacetic transami- 

 nase 



GPT: see Glutamic-pyruvic transaminase 



Guinea pig 



electrocardiographic data, 402 



Ho fields of Forel 



ventricular performance and, 546 

 Haas, H. G. 



Electrocardiography, 323-415 

 Hajdu, S. 



Action of elect'-olytes and drugs on 

 the contractile mechanism of the 

 cardiac muscle, 151 -197 

 Hamilton, \V. F. 



Measurement of the cardiac output, 



551-584 

 Hand 



blood (low rate, 642 

 Hardung, V. 



Propagation of pulse waves in visco- 



elastic tubings, 107-135 

 Harmonic analysis 



pulse wave propagation and, 120-122 

 Heart 



action potential curve, 161 

 adult, curvature of, 102 

 anatomy, 200 



diagram, 288 

 anomalies of arteries, characterization 



of, 419 

 architecture of circulatory regulation, 



525-5^6 

 arrangement of muscle, 200 

 autonomic nerve stimulation and, 518 

 A-V nodal cells, 287 

 block 



cardiac acoustics and, 707 



carotid sinus nerve stimulation in, 



522, 5^3 



characterization, 422 



vagal stimulation in, 514 

 conduction system, 1 55 



diagram, 288 

 control of function, 489-528 

 disease, substrate extraction and, 221 

 distribution of specialized muscle, 350 

 dynamic pressure-volume curves and 



inflow pressure, 156 

 expiration and, 707 

 extracellular space, 158 

 extrinsic influence, 503 

 fibrillation, description of, 397 

 form and localization of potassium in, 



158 

 function, plasma substitutes and, 76 

 functional anatomy, 287-291 

 increased contractility in, 534 

 inspiration and, 705 



interior in atrial septal defect, 464 

 isolated 



intrinsic mechanism, 490 



performance characteristics, 490-503 

 Keith-Flack node, 393 

 law of Laplace, 101-102 

 mechanical work, 215 

 model, problems, 613 

 neuronal effects on performance, 503 

 order of mechanical activity of cham- 

 bers, 702 

 pacemaker region, 276 

 potassium, quinidine and, 1 79 

 potential curve, 161 

 pressure volume curves, 1 57 

 principles of nervous control, 518-519 

 proteins, 216 



changes in disease, 225 



in heart failure, 227 

 Purkinje distribution, 290 

 rhythmicity, species variation, 397 

 right, lesions, pulmonary congestion 



and, 668 

 role in circulatory regulation, 533-550 

 schema of frequency-tension relation- 

 ships, 173 

 size, systolic pressure and \entricular 



muscle tension and, 102 

 structure of, 199—204 

 tension and potassium loss, 1 74 

 time relations in, 384 

 valves 



closure and heart sounds, 699, 701 



structure, and heart sounds, 709 

 volume, postiue and, 540 

 Heart beat 

 alternans, 397 



definition, 398 

 dissociation and, 394 



definition, 394 

 electrocardiogram and, 384 

 entrance block and, 393 

 extrasystoles, 394 



aconitine and, 394^395 



adrenaline and, 394 



anoxia and, 394 



cancellation of fiber dipoles, 358 



conduction velocities during, 308 



coupling to previous beat, 396 



fixed coupling of, 396 



return, 399 



stretch and, 394 



ventricular conduction and, 308 

 fusion beats, 399 

 interference and, 394 

 mechanism of compensatory pause, 



399 

 monkey, ventricular extrasystoles, 400 

 normal and ectopic, excitation in, 358 

 order of events, 702 

 periods, 397 



position of depolarizing wave front, 



354 

 the pacemaker, 392-393 

 theory of normal and abnormal 



rhythms, 392-393 

 time relations in, 384 

 ventricular echoes, 399 

 VVenckebach-Luciani periods, 397 

 Heart failure 



anaerobic metabolism in, 673 

 congestive 



in man, 223 



law of Laplace and, 102 



plasma labeling and, 39 



renal blood flow in, 672 



thyrotoxicosis and, 224 

 peripheral blood flow in, 673 

 proteins in, 227 

 Heart murmurs 



arteriovenous fistula and, 723 

 atrial fibrillation and, 718 

 atrial septal defects and, 722 

 atrio\entricular defects, 723 

 atrioventricular valve stenosis, 718 

 cardiac hemodynamics and, 721, 725 

 coronary flow defects, 723 

 definition, 696 

 diastolic, functional and organic, 715, 



719 

 drugs and, 725 

 ejection, 716 



functional and organic, 716 



systolic, 716 

 identification of site of origin, 726-727 

 localization of, 724 

 nonvalvular origin of, 720 

 patent ductus arteriosus, 72 1 

 physical basis, 696 

 physical considerations, 682 

 physiology of, 682 

 presystolic, P-R interval and, 719 

 problems of classification, 715 

 pulmonary and aortic pressures and, 



721 

 respiration and, 724 

 shunts, hemodynamics of, 726 

 systemic, sources, 717 

 systolic, 715 



regurgitation type, 716 



premature ventricular contraction, 

 727 

 transmission, 697 



in heart, 730 

 Valsalva aneurysm and, 723 

 valvular origin, 715 

 various defects and, 723 

 \ entricular contraction, premature, 726 

 ventricular septal defect and, 721, 722 

 see also Phonocardiography; Cardiac 



acoustics; Heart sounds 

 Heart rate 



