Index of subjects and authors cited

Abban 304 primary 427, 429 Aberrancy 334, 356 primary versus secondary 106 classic 334 Prinzmetal 276, 282, 428, 429 Aberrant supraventricular 389 secondary 427 Abreu Lima 175 unstable 272, 432 Accelerated 431 variant 429 Accessory bundles Anginal pain 90 study of characteristics 116 Angiography 94 Accessory connections 236 Angioplasty 92 Acromegalia 469 Anteroseptal medial division 19 Activation (cardiac) Antidepressants 267 atrial 14 Anxiety 267 ventricular 17 Aortic coarctation 145,445 Acute drug test 100 Aortic regurgitation 261, 453 Acute (see pericarditis) 93, 145 , 445 , 453 Addison's disease 469 Apical involvement ADPase 6 hypertrophic with 151 Adriamycin 475 Aprindine 473 Age Armed forces 92 changes with 156 Arterial hypertension 145, 454 AHA and ACC Committee 229 Artifacts 109,273,277,316,476 Ajmaline 238, 473 82,99,325 Alboni 196 analytic study of an 413 Alcohol 82 and exercise 92 (see cardiomyopathy) hyperactive 349 Alcoholism 75 , 261,266,267, 478 hypoactive 398 Alteration analyzer 109 in cardiac pacing 412 Allessie 339 paroxysmal 234 Alloarrhythmias respiratory sinus arrhythmia 41,444 analysis of 421 study of 104 Amiodarone 45, 82, 360, 473 symptom correlation 104 Amitriptyline 475 triggered 328 Amyloidosis 470 ventricular arrhythmias with effort 444 Anemia 470 Arrhythmogenic right ventricular displasia 266 Anesthetics 475 Asthenia Aneurism neurocirculatory 82, 106 left ventricular 439 Asthenics 80 Aneurismatic zone 275 Asthma 56 Athletes 71, 81, 92, 94, 265, 465 effort 429 ATPase 6 488

Atrial blocks 138 global advanced left peripheral ventricular block 205 Atrial deflection global advanced right ventricular block analysis of the 413 with advanced superoanterior hemiblock 225 Atrial depolarization 15 with advanced inferoposterior hemiblock 227 Atrial dissociation 140 global left ventricular block (trunk block) (see enlargement) proximal 202 Atrial (see fibrillation) with superoanterior or inferoposterior hemiblock 225 Atrial fibrosis 137 interatrial block 139 362 with left atrium retrograde conduction 140 Atrial infarction (see infarction) inferoposterior zonal block 200 Atrial overstimulation 116 intraatrial block 139,140 Atrial repolarization (see repolarization) intrahisian block 405 145, 197 left middle fibers block 176 ostium primum type 444 left ventricular block 202 366 (see also tachycardia) first degree 80 Atrial tachysistolia 363 intermittent 267 Atrioventricular relation Mobitz type I 196 analysis of the 415 Mobitz type II 196, 403 Atropine 473 right atrial conduction block 132 Automatic cells 8 right ventricular block 187 Automaticity 1, 325 differential diagnosis of 174 alterations 326 segmental anterosuperior 217 A V block (see block) topographic localization of 118 A V conduction 114 first degree 79 A V dissociation 366, 393 second degree block 403 AV junction 15,28 43,400 A V junctional rhythms 43 superoanterior zonal block 200 A V 374 unidirectional 334 ventricular block 428 Bachman acquired 434 bundle of 15 appearance.of 98 Bailey intermittent 282, 337 triaxial system 33, 35 previous to acute infarction 434 hexaxial system 36 Wenckebach type (Mobitz I) second degree block 403 Bartulls's criteria 138 Body build Bayes effect 272 changes in 156 Bayes theorem 94, 157 Bazzet (formula) 44 due to depression of sinus automaticity 399 Beta-blocking agents 94, 360, 473 Brady-tachycardiac syndrome 401 Bisteni 160, 315 Brody effect 124,157 Biventricular enlargement 177, 445 Bruce 91 Biventricular hypertrophy 176 Brugada 112 Blacks 81, 265 Bundle Block Kent 237 alternating block of two of the four fascicles 225 localization of the accessory bundle by surface ECG 245 atrial block 138 Burchell 236 atrioventricular (A V) block 17,43,402,403,429,436 By-pass surgery 282 complete 194 paroxysmal Cabrera 145,167,175,180 third degree or complete 406 Cabrera's sign 305 topographic diagnosis of the location 406 Caceres 120 topographic localization 113 Calcium alterations 463 223 Candell 299 clinical implications 228 Casale 154 masked blocks 226 Captopril 474 combined blocks 223 Carbohydrates 82 4

Carbon monoxide intoxications 267 AV conduction (study of the characteristics) 114 406 concealed 338 Cardiac malpositions decremental 17 ECG in 450 right intraatrial conduction 132 Cardiac pacing sinoventricular 401 arrhythmias in 412 supernormal 330 Cardiac rupture 439 Conductivity 2 Carotid sinus compression (CSC) 347,369 Congenital heart disease 161, 319 458 with atrial inversion 54 Cardiac trauma 321 Constitutional factors 155 Cardiac tumors 279,321,462 Control of antianginal treatment 109 Cardiogenic shock 93 Conventional ECG, (see ECG) Cardiomyopathy 106, 321 Chronic obstructive pulmonary disease (COPD) 130,172 alcoholic 261, 266, 279, 460 Coronary insufficiency 75 dilated 460 acute 321 hypertrophic 461 Coronary heart disease 80,106 restrictive 460 Coronary occlusion Cardiopulmonary by-pass 20 acute 258 Cells Coronary patients 212 automatic 8 Coronary spasm 275 fast response cells 1 Corpulmonale 161, 172 slow response cells 1 acute 274,279,454,455 Cell electrogram 9 chronic 319, 320 Cell membrane 1 chronic corpulmonale and mitral stenosis 54 Cerebral diseases Corrected transposition of the great arteries 448 long QT interval in 467 Coumel 112 Cerebral trauma 321 Cranefield 8 Cerebral vascular accident 262, 266, 279 Critesco 254 459 Curve, Changes membrane response curve 7 according to sex or race 156 Cyanosis 56 in body build 156 positional 79 Damato 112 postural 82 Deanfield 447 with age 156 De Micheli 199 Chapman's sign 305 Delta wave 236 Childhood repolarization morphology 76 Depolarization Circuit 342 atrial 15 intraextranodal 380 oscilatory diastolic depolarization 349 Clerc 254 ventricular 18 Coarctation Depolarization phase aortic 145 systolic cellular 6 Cobb 236 Dextrocardia (see rotation) Cohn 299 Diabetes 267, 469 Computer ECG 120 Diagnostic correction 83 Computer failure 121 Diastolic overload 145 Complex Diastolic polarization phase 2 QRS 56 Diastolic transmembrane potential 3 isodiphasic . 33 Digitalis 75,82,93,360 Concealed WPW 240 glycosides 473 Concentric hypertrophy 146 impregnation 274 Conductance 28 intoxication 374 Conduction Diltiazem 474 aberrant 330, 334 Diphenilhydantoin 473 adequate 345 Dipiridamol administration 90 alterations 330 Dipole 490

concept of 10 recording 32 depolarization dipole 11 El~ctrolyte disorders 93 repolarization dipole 11 Electrolyte disturbances 82 Disopyramide 474 Elizari 212, 351, 385 Displasia Emphysema 54, 68 arrhythmogenic right ventricular 266 Emphysematous patients 216 Dissociation Enlargement 130 atrial 140 biatrial 138 AV 366 biventricular 177, 445 Diuretics 274, 474 left atrial 135, 445 Domino theory 25 left ventricular (see left ventricular) Drugs right atrial 17, 130, 176 antianginal drugs 94 right ventricular 77, 78, 161, 187, 216 DTP level (phase 4) 326 Erhard 299 Duchenne's disease 470 Esophageal ECG 112, 124, 139 Ductus arterious 145 Estes 153, 161 Durrer 15, 20, 213 Excitability 2 Dyspnea 90,93 normal 328, 329 supernormal 328, 329 Early repolarization 45,80,261,277,279 Exercise Eating 106 exercise ECG test 72, 90 Ebstein's disease 190 normal and abnormal response to 93 WPW syndrome in 449 sensitivity of the isolated 94 External wave amplification 124 conventional ECG 14, 33 Extrasystoles 349 enhancing the diagnostic precision of the 119 atrial 350 ECG deflection 40 junctional 350 esophageal 112, 124, 139 ventricular narrow 351 exercise ECG test 72, 90 Holter ECG 99 Fallot's tetralogy 196 pacemaker ECG right ventricular enlargement in 446 electrocardiology 409 VCG in 447 malfunction 409,412 Fast (rapid) response 1, 6 types and interpretation code 407 Fear 267 prognostic value of exercise ECG 443 Female sex 94 sensitivity of the 82 Feruglio 121 specificity of 82 Fibers variations nodoventricular fibers 253 other variations 77 Fibrillation with age 75 atrial 44, 253, 358, 436, 444 with changes in heart volume 156 in the presence of WPW 238, 360, 392 Ectopic focus 349 ventricular 395 Echocardiogram primary 436 value in L VE 157 secondary 436 Echocardiography Fibrilloflutter 363 bidimensional 169 Fibroelastosis 449 Einthoven 34 Fibrosis law of 35 atrial 136 triangle of 35 septal 80 Electrical alternance 391, 394, 463 in disease 453 Electrical axis Flecainide 474 calculation 47 Flowers 157, 169 indeterminate 51 Flutter Electrical 22, 285 atrial 362,436 Electrical window 284 ventricular 395 Electrodes Fontaine 381 491

Franck's orthogonal leads 161 Hyperventilation 81,82,94,106,265,267,274 Friedrich 470 Hypocalcemia 45 , 132, 465 Hypoglycemic coma 321 Gallagher 248 Hypokalemia 45, 94, 274, 463 Ganong 254 Hypoparathyroidism 'Gap' phenomenon 330, 331 OTc interval 468 Garcia-Civera 248, 389 Hypotensors 474 Glucose ingestion 94 Hypothermia 279, 465 Goldberger 36 Hypothyroidism 45,467 Gouaux-Ashman 356 Hypoxemia 54,56,132 Graboys 388 Hypoxia 76

Heart block 333 Imipramine 474 concept 183 Impulses 386 Heart disease 132 capture 386, 391 left 132 escape 386, 398 valvular 94, 153 fusion 386 68, 93 reciprocal 355 the ECG in 462 Infarction Hemiblock acute phase 275 of the inferoposterior division 58,201,219,225 and 0 wave 443 of the superoanterior division 58, 79, 214, 225 anterior 306, 309 Hemifield anterolateral 306 concept 12, 38 anteroseptal 306, 312 positive and negative 38 atrial infarction 17, 296, 432, 433 Hemochromatosis 470 diafragmatic 217, 313 His evolution of the ECG acute 434 bundle 18 hyperacute stage 261 ECG of the bundle of 110 inferior 272, 306, 309 or fasciculoventricular fibers 253 lateral 306, 309 Hoffman 17 myocardial 68,71,93,432,442 Holter ECG 99,405,427,430 acute 375 Horan 157, 169 atypical ECG in acute 428 Horizontal heart (see rotations) nontransmural 282 Hugenholtz 161 of the middle third of the septum 289 Hypercalcemia 75,465 posterior 272, 432, 433 Hyperkalemia (hyperpotassemia) 75, 262, 279, 321, 401, 463, posterior or posterobasal 175 465 right ventricular 297 Hyperparathyroidism septal 68, 176, 306, 309 OTc interval 468 subendocardial 272, 295 Hyperpotassemia (see hyperkalemia) without 0 wave 443 Hypertension 93 subepicardial or intramural 300 arterial 145 Infectious 457 pulmonary 145, 164, 165, 167, 172 Inferoposterior division 19 in ventricular septal defect 445 Injury 268 Hypertensive response 92 diastolic current 268,269,275 Hypertensives 43, 155 electrophysiologic concept 268 Hypertiroidism 55,361 morphology 268 atrial fibrillation in 468 subendocardial injury 269 Hypertrophic cardiomyopathy 146 subepicardial injury 274 and apical involvement 151 Inscription system 30 Hypertrophy Inspiration (deep inspiration and P) 56 right ventricular 162 Intracavitary ECG 110 biventricular 176 Intracavitary Electrophysiologic techniques (studies) 111, left ventricular 146 248,405,406,431,440 septal 147, 284 Intrinsicoid deflection time 68,75,147 492

Ionic inflow currents 5 superoanterior hemiblock 214 Ionic outflow currents 5 differential diagnosis 217 73,429,440 Left ventricular dilation 159 clinical 258 Left ventricular enlargement 58,69,79,81,146,218,267, electrophysiologic concept of 259 321, 428, 445 morphology of 259 differential diagnosis 160 silent 109, 442 in children 159, 174 subendocardial ischemia 75 QS morphology in right precordial leads 161 ECG morphology of 260 versus left ventricular block 160 VCG morphology 268 Left ventricular failure 439 Ischemic heart disease 72 Left 146 severity of 92 Lenegre 428 stable 427 Lenegre's disease 405 Isoproterenol 240, 474 Levine 254 Isotopic studies 94 Lev's disease 405 Levy 254 J point 8 Lewis 362 James 15 Lewis diagrams 14,23,347 Jervell-Lange-Nielsen syndrome 44 Lidocaine 474 Joggers 92 Loop Josephson 19,112 loop-ECG correlation 38 Junction AV 28 P loop 14, 15, 88 Junctional tachycardia due to reentry 375 QRS loop 18, 88 Junctional tachycardia caused by ectopic focus 374 T loop 23, 25, 88 Lopes 155 Kafka 314 L6pez Send6n 299 Katz-Watchell sign 179,445 Lown 254, 388, 431 Kent bundle 237, 342 classification 352 Kini 161 Kirchoff's Macfarlane 155,169,180 law of tensions 34 Macroreentry 381 Klein 155 Magnesium 465 Kulka 155 Magnetocardiography 124 Mahaim 253 Late potentials 110, 124, 428, 431 fibers 237, 253, 337 Lazzari 212 type preexcitation 212 Leads 32 Malformation bipolar 10,32 thoracic 80 frontal leads 33 Mapping horizontal leads 37 cardiac 110, 111, 123 monopolar 10, 32 thoracic 440 orthogonal 86, 288 Marriot 348 precordial 37 Master two-step test 90 X, Y, Z 86 Mc Guin-White 174,320 Left atrial enlargement 135,445 morphology 438 Left atrial dilatation 136 pattern 457 Left ventricular block 202 Medrano 209, 230 anteroseptal medial fibers block 222 Mendez 342 association with cardiac enlargement 210 MET's 91 association with myocardiac infarction 300 Mexical School 21,166 first degree block 211 Microreentry 381 global third degree 202 Mines 339 inferoposterior hemiblock 219 Minnesota Code 120,288 differential diagnosis 221 Mirowski mini defibrillator 119, 428 left divisional blocks 212 Mitochondria 1 second degree block 210 Mitral prolapse 106, 274 493

exercise ECG test in 452 law 28 long QT interval in 453 Omnicardiography 124 Mitral stenosis 161, 164, 451 Osborn 465 VCG in 451 Ostium primum type ASD 166 Mobitz type I and II block 196, 403 Moe 342 Pacemaker (temporary) 267 Monophasic action potentials 110, 124 (see transmembrane Pacemaker cell 1 action potential) Pacemaker ECG Mustard operation 448 electrocardiology 409 Murphy 155 malfunction 409, 412 Myocardial failure 145 (see heart failure) types and interpretation code 407 68, 266, 274, 321, 455 Pacemaker function Myopotentials 413 control of 104 Myxedema 68, 267 (see hypothyroidism) Pacemaker rhythm 321 Myxedematous affections of the myocardium 68 Pacing high rate 90 Pancreatic diseases 267,274,321 NASPE Working group 112,119,229,380 Parasympathomimetic drugs 474 Necrosis Parasystole 353 anterior 291 Parathyroid diseases 468 associated with hemiblock 306 Patent ductus arterious 445 diagnosis in patients with extrasystolic morphology 315 Pauses diagnosis in patients with pacemakers 309 analysis of 417 diagnosis in patients with WPW 314 P congenitale 131 diagnosis in the presence of left ventricular block 302 Pectus 94 diagnosis in the presence of right ventricular block 300 Pectus excavatus 319 differential diagnosis of the morphology of necrosis 316 Pericarditis 68, 71, 143, 439 ECG-VCG characteristics of the morphology of acute 279, 458 necrosis 280, 287 constrictive 458 electrophysiologic concept 280 electrical alternance in 458 extension of 442 Pharmaco-electrophysiology 118 inferior 293 Pheochromocitoma 470 lateral 291 Phenotiazine 474 morphology of necrosis 280 Phlebitis 120 non transmural 285 Phosphorous poisoning 321 non transmural or non Q wave 282 Piccolo 145 posterior 291 Pipberger 121, 155, 170 septal 201 Pituitary insufficiency 45 transmural 283, 289, 442 Pleomorphism 395 transmural or Q wave 280 Pneumothorax 267 versus medial anteroseptal fibers block 309 left 319 with bifascicular block 309 spontaneous 469 Nerst equation 28 Post-potentials 175, 328, 349 Neurocirculatory asthenia 82, 106, 267 Post-infarction patients 110, 431 Nifedipine 474 Post-tachycardia syndrome 274 Nodoventricular fibers 253 Postural changes 106 Normality Potassium variant of 272, 277 outward currents 7 Norman Holter 100 Potential Notches equilibrium 28 normal notches and slurrings 66 membrane 28 P pulmonale 130 Obese 54 Pre excitation Obstructive hypertrophic cardiomyopathy 151, 461 intermittent 238, 245 O2 consumption 90 Mahaim type 212 Ohnell 236 short PR type 234 Ohm's WPW type 321 494

association with arrhythmias 249 Reciprocal impulses (see impulses) association with coronary heart disease 251 Reentry 339, 349 association with ventricular block 250 Refractory period 328 intermittent 267 absolute 330 peculiar electrophysiologic characteristics 249 measure of functional and effective 113 prognostic considerations 251 of the accessory bundle 238 type I 160 relative 330 type II and III 175 Rehabilitation 92 Pregnant women 54 Reichek and Deveraux 157 Premature complexes Repolarization analysis of 417 alteration 106 Premature ventricular complexes (ectopic impulses) 349,431 atrial repolarization 16, 30 Prenilamine 267, 474 alterations in 143 Preoperative ECG 475 depressed ST-Ta 143 Primary factor 267 elevated ST-Ta 143 PR interval 30, 43 normal P 16, 30 Prinzmetal ECG phenomenon 427, 430 wave 77 Prognosis of coronary patients (post-infarction) 92,440 slow 8 Propaphenon 474 systolic cellular repolarization 8 PR segment 43 ventricular repolarization 23 Pseudoaberration 338 Research 92 Pseudoinfarction morphology 462 Respiration: ECG changes 67,75 Psichotropics 274 Resting potential Puech 15, 111, 363 transmembrane resting potential 4, 28 Pulmonary embolism 93, 174, 406, 438, 455, 456 Pulmonary emphysema 454 ECG in 450 Pulmonary hypertension (see hypertension) Rhythm Pulmonary stenosis (see stenosis) accelerated junctional rhythm 436 Purkinje cell 1 A V junctional 43 P wave chaotic ventricular rhythm 397, 398 abnormal 442 ectopic 41, 54 normal wave 53 escape 398 P wave loop 15 right ventricular pacemaker rhythm 217 Pythagoras formula 88 sinus 41 Right atrial conduction block 132 QRS complex 30 Right atrial dilation 130,174 normal QRS 56, 68 Right ventricular block 187 normal Q wave 67 differential diagnosis of R wave in VI 199 QRS loop 18 global first degree block 196 QRS-T angle 88 global second degree block 196 QT interval 30,439 global third degree 187 causes of lengthening 45 association with 300 concept 43 association with ventricular enlargement 194 long QT 436 ventricular aberration 196 QTc 45,443 zonal RVB 200 Quadrifascicular theory 19 Right ventricle dilation 172, 207 Quinidine 75, 366, 474 Right ventricular enlargement 77, 78, 161, 187, 216 Q wave Right ventricular hypertrophy 162 normal 67 Rosenbaum 18, 212, 217, 385 abnormal 287 Rosenbaum's group 238, 242 and enzymatic activity 443 Rosenbaum's phase 337 of necrosis, characteristics of 287 Rosenbaum's syndrome 230 Rosenblueth 362 Race Rotations of the heart changes according to 156 combined 63 Rajala 221 dextrorotation 61,76,319,450 495

dextrorotation with horizontalization 64 mitral 161, 164 horizontal heart 61, 217 pulmonary 145,165,166,167,446 horizontalization with levorrotation 63 ST index 444 levorotation 61 ST mapping 442 on the anteroseptal axis 58 ST segment 9,30 on the longitudinal axis 61 depression 94 on the transversal axis 62 elevation 98 0,0" 0", 62 normal ST 69 S, S" SIll 62 Stoke-Adams crisis 266 vertical heart 54, 58 Straus curve 116 R wave voltage Stress increase in R wave voltage 98 physical 106 physic 106 Saddle morphology 81,277 Stroke 45, 439 SAMTI system 110 Subarachnoid hemorrhage 266, 321, 467 Sarcolema 1 Sudden death (SD) Sarcomere 1 differentiating patients with high risk of the 119 Scherlag technique 111 Supernormal period 330 Scott 160 Superoanterior division 19 Screening purposes 92 Suzuki 175 Secondary factors 267 Syncope 106, 196 Sensing function 413 Sympatheticotonia (sympathycotonia) 17,43,55,56, 77,106, Sensitivity of criteria 82, 168 132, 274, 361 Septal biopsy 148 Systolic overload 145 Septal fibrosis 148, 212 Serra Genis 148 Tachycardia Sex atrial changes of ECG 156 due to ectopic focus 366, 368 Shock 274 multiform or chaotic 372 Short PR reentrant 372 interval 254 unifocal 368 type preexcitation 234 A V junctional 374 Sick sinus syndrome 401, 444 bidirectional 394 Signal averaging techniques 431 (see also late potentials) electrophysiological characteristics 117 Single ventricle 449 junctional Sinoatrial conduction time (SACf) 116 caused by ectopic focus 374 Sinus function 114 due to reentry 375 study of 115 paroxysmal 375,377 Sinus node recovery, time 401 permanent 378 Sinus rhythm 41 differential diagnosis 379 Sleep 109 clinical features 379 Slow channels 6 reciprocal junctional 373 Slow response 1,6,8 sinus 56, 366, 436 Slurrings ventricular 381 normal notches and slurring 66 differential diagnosis 389 Sodi 187 monomorphic 381, 383 Sodium nonsustained 381 inflow currents 7 parasystolic 394 Sokolow-Lyon index 153 polimorphic 394 Spasm 429,432 slow (accelerated idioventricular rhythm) 393 Spatial velocity technique 123 sustained 388, 428 Specificity of criteria 82, 168 torsade de pointe 394 Sportive activities 465 with ORS

Thallium 94 vector 1 20 Thin older persons 68 vector 2 22 Thin persons 54 vector 3 22 Thioridazine 474 ST vector 88 Thoracic abnormalities 319 voltage of the maxim vector 87 Thoracic anomaly 216 Vectorcardiography 86, 392, 431, 439 Thoracic mapping 440 Vectorial theory 285 Thorel Ventricular 394 bundle of 15 Ventricular block 186 (see right and left ventricular block) Three vessels disease 441,444 Ventricular conduction disturbances 428 Threshold potential 6 395 Thromboembolism 120 395 Torsade de pointe 382, 394, 465 Ventricular septal defect 196, 444 Transitional cell 1 381 (see also tachycardia) Transmembrane action potential (TAP) 433 Verapamil 360, 474 correlation with ECG 27 Vincamine 475 different morphologies 9 Voltage TAP curve and ECG curve 27 clamp technique 28 Transplantated heart low 56 the surface ECG in 463 spatial 90 Transposition of the great arteries V-RVA time 193,447 VCG in 448 Vulnerable period 330 Transteiephonic ECG 110 Trauma 143 Wackers 304 Tricuspid atresia 449 Wade 299 disease Washington code 288 right atrial enlargement in 453 Wedensky phenomenon 337,349 230 Wellens 112, 236, 237 Trifascicular theory of activation 18 Wells 362 Triggered activity 328, 381 Wenckebach T system 1 type of block 403 9,12 bundle of 15 alterations 245 phenomenon 115 alternance 458 point 114 axis of the frontal plane 73 Wilson 282, 284 normal polarity and morphology 73 system of 36 normal T 73 Wolff-Parkinson-White preexcitation 118,234,235 arrhythmias in 249,361 Unified ECG interpretation 120 atrial fibrillation in 240, 361 U wave 45, 75, 98, 261 concealed 240 alternance 458 coronary heart disease 314 negative 261, 428 normal PR 251 prominent 274 prognosis 252 unapparent WPW in sinus rhythm 240 Vagotonia 71,77, 106, 261, 361 ventricular block 250 Valsalva maneuvres 366 syndrome 94,209,217,346,380 Vanderberg 154 Women 180 Vector Wood 236