104 150PracticeECGs:InterpretationandReview  A26-year-oldwithnosymptoms.Whichdiagnostictestisneeded?  150PracticeECGs 105  A32-year-oldmanwithfixedsplittingofthesecondheartsoundandaloudmurmur.Whatistheillness? 106 150PracticeECGs:InterpretationandReview  A40-year-oldmanintheemergencyroomfollowinganepisodeofsyncope.Hehasbeentreatedwitherythromycinandantihistamines forarespiratoryillness.  150PracticeECGs 107  Telemetryrecordingthesamepatient(No.43)4hourslater.Duringthearrhythmia,helostconsciousness. 108 150PracticeECGs:InterpretationandReview  Rhythmstripsfroma52-year-oldwomanwithcardiomyopathyandepisodicdizziness.Duringthethirdtracing,shelostconsciousness.  150PracticeECGs 109  An87-year-oldwomanwithahistoryofdizzyspells. 110 150PracticeECGs:InterpretationandReview  A45-year-oldmanaftera45-minuteepisodeofchestpain.  150PracticeECGs 111  A68-year-oldwomanafterindigestionof9hoursduration.Whattreatmentisindicated? 112 150PracticeECGs:InterpretationandReview  A76-year-oldwomanwithdiabetes;yearlyexamination.  150PracticeECGs 113  A75-year-oldmanwhotakesheartpills. [...]... fibrillation part ii: 150 Practice ECGs 1 17 Practice ECG 55   A 60-year-old man; no clinical data provided 1 18 150 Practice ECGs: Interpretation and Review part ii: Practice ECG 56   An 81-year-old woman in excellent health 150 Practice ECGs 1 19 Practice ECG 57   A 72-year-old man with a history of arrhythmias 120 150 Practice ECGs: Interpretation and Review part ii: Practice ECG 58   A 31-year-old woman... murmur 150 Practice ECGs 121 Practice ECG 59   A 64-year-old woman with emphysema and ankle edema 122 150 Practice ECGs: Interpretation and Review part ii: Practice ECG 60  A 69-year-old man with easy fatigue and exertional dyspnea 150 Practice ECGs 123 Practice ECG 61  A 7 5- year-old man with pulmonary edema 124 150 Practice ECGs: Interpretation and Review part ii: Practice ECG 62  An 83-year-old man.. .Practice ECG 51   An 82-year-old woman with mild heart failure 1 14 150 Practice ECGs: Interpretation and Review part ii: Practice ECG 52   A 40-year-old man with syncope 150 Practice ECGs 1 15 Practice ECG 53   A 69-year-old man with a history of heart failure 1 16 150 Practice ECGs: Interpretation and Review Practice ECG 54   A 70-year-old woman with a remote history of MI and a history... therapy? 150 Practice ECGs 1 25 Practice ECG 63  A 59 -year-old man in the emergency room 126 150 Practice ECGs: Interpretation and Review Practice ECG 64  An 82-year-old man on digoxin sent from the nursing home with confusion and blurred vision part ii: 150 Practice ECGs 127 Practice ECG 65 A 66-year-old man with a history of vague, nonspecific chest pain and a positive stress test 128 150 Practice ECGs:. .. positive stress test 128 150 Practice ECGs: Interpretation and Review part ii: Practice ECG 66  A 26-year-old woman with palpitations Her ECG was normal the day after this tracing was obtained 150 Practice ECGs 129 Practice ECG 67  An 86-year-old man with dizzy spells for 1 week, on no medicine What should his doctor do? 130 150 Practice ECGs: Interpretation and Review .  150 Practice ECGs 109  An87-year-oldwomanwithahistoryofdizzyspells. 110 150 Practice ECGs: Interpretation and Review  A 4 5- year-oldmanaftera 4 5- minuteepisodeofchestpain. . 104 150 Practice ECGs: Interpretation and Review  A26-year-oldwithnosymptoms.Whichdiagnostictestisneeded?   150 Practice ECGs 1 05  A32-year-oldmanwithfixedsplittingofthesecondheartsound and aloudmurmur.Whatistheillness? 106. A76-year-oldwomanwithdiabetes;yearlyexamination.   150 Practice ECGs 113  A 7 5- year-oldmanwhotakesheartpills. 114 150 Practice ECGs: Interpretation and Review 