Normal: http://www.hrt.org/ecg990815r2.html 

2.

 Pacemaker: http://www.hrt.org/ecgPindex.html 

3.

 Wandering atrial pacemaker: http://www.rnceus.com/ekg/ekgwap.html

4.

 Junctional rhythm: http://www.emedicine.com/med/images/150072-155146-3321.jpg; http://www.emedicine.com/Med/topic1212.htm

5.

 PAC’s: http://www.hrt.org/ecg990811e35.html

6.

 PVC(s), single: http://www.hrt.org/ecg990811e17.html

7.

 PVC's, couplet(s): http://www.hrt.org/ecg990811e28.html

8.

 PVC's, multifocal: http://rnbob.tripod.com/prematureventricularcomplexes.htm 

9.

 PVC's, bigeminy: http://www.hrt.org/ecg990615r1.html

10.

 Sinus tachycardia: http://www.ecglibrary.com/stach.html

11.

 Sinus bradycardia: http://library.med.utah.edu/kw/ecg/mml/ecg_brady.html

12.

 Supraventricular tachycardia: http://images.emedicinehealth.com/images/4453/4453-4478-11183-24839.jpg; http://www.emedicinehealth.com/supraventricular_tachycardia/page12_em.htm

13.

 Ventricular tachycardia: http://www.ecglibrary.com/vtavd1.html 

14.

 Atrial fibrillation/atrial flutter: http://www.ecglibrary.com/af_fast.html; http://www.ecglibrary.com/af_lbbb.html; http://www.ecglibrary.com/aflut.html ; http://www.ecglibrary.com/af2_1.html

15.

 First degree AV block: http://www.ecglibrary.com/lll.html

16.

 Second degree block - Mobitz 1 or Wenckebach: http://www.emedicine.com/ped/images/889392-890621-3206.JPG; http://www.emedicine.com/ped/topic1468.htm

17.

 Second degree block - Mobitz 2: http://www.ecglibrary.com/2_1avb.html

18.

 Complete heart block (3rd degree block or AV dissociation): http://www.ecglibrary.com/chb4.html

19.

 Wolff-Parkinson-White (WPW): http://www.ecglibrary.com/wpw.html 

20.

 Prominent p waves suggesting cor pulmonale or RAE: http://www.ecglibrary.com/rah.html

21.

 Left atrial enlargement: http://library.med.utah.edu/kw/ecg/ecg_outline/Lesson7/index.html#LAE

22.

 Inferior wall MI: http://www.ecglibrary.com/oldmi.html; http://library.med.utah.edu/kw/ecg/mml/ecg_12lead041.html

23.

 Lateral MI: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead055.html

24.

 Septal MI: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead026.html

25.

 Anterior wall MI: http://www.eglobalmed.com/content/CORE/ECG_Encyclopedia_McGill/sprojects.mmi.mcgill.ca/heart/ecg98053110.html

26.

 Posterior wall MI: http://library.med.utah.edu/kw/ecg/mml/ecg_720.html

27.

 Poor R wave progression in V leads (added 9/17/2003): http://www.aaimedicine.org/journal-of-insurance-medicine/jim/2005/037-01-0058.pdf

28.

 LVH voltage: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead054.html

29.

 LVH with strain: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead052.html

30.

 Low voltage: http://www.uptodate.com/patients/content/image.do;jsessionid=2C8A3C8B14B21A719E0411D6BE546443.1002?imageKey=card_pix/low_vo1.htm

31.

 Right axis deviation: http://library.med.utah.edu/kw/ecg/mml/ecg_6lead004.html

32.

 Left axis deviation: http://library.med.utah.edu/kw/ecg/mml/ecg_6lead011.html

33.

 ST depression: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead006.html

34.

 Exercise ECG Positive/Suggestive for ischemia (added 9/17/2003): http://www.aafp.org/afp/990115ap/401.html 

35.

 T wave flattening (minor changes): http://www.uptodate.com/patients/content/image.do;jsessionid=2C8A3C8B14B21A719E0411D6BE546443.1002?imageKey=card_pix/nonspeci.htm&title=Nonspecific%20ST%20changes%20tutorial

36.

 T wave inversion (major changes): http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1122957

37.

 ST elevation c/w infarction: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead028.html

38.

 ST elevation c/w early repolarization: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead004.html

39.

 ST elevation c/w pericarditis: http://www.uptodate.com/online/content/image.do?imageKey=card_pix/ecg_peri.htm&title=ECG%20in%20pericarditis&altImageKey=card_pix/normal3.htm

40.

 Complete right bundle branch block: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead050.html

41.

 Complete left bundle branch block: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead013.html

42.

 Intraventricular conduction delay, indeterminate: http://medinfo.ufl.edu/~ekg/QRS%20&%20BBB.html

43.

 Incomplete right bundle branch block: http://www.medscape.com/content/2000/00/41/06/410645/art-smj9310.06.fig2.jpg 

44.

 Bifasicular block: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead015.html

45.

 Double paper speed: http://openecg.ifc.cnr.it/repository/cervesato/manual.pdf

46.

 Limb lead reversal: http://library.med.utah.edu/kw/ecg/mml/ecg_12lead001.html: http://www.residentandstaff.com/issues/articles/2008-01_05.asp

47.

 Double standardization: http://openecg.ifc.cnr.it/repository/cervesato/manual.pdf 

48.

 Half standardization: http://pediatriccardiology.uchicago.edu/MP/ECG/ECG2.htm

49.

 60 cycle interference/other artifact: http://library.med.utah.edu/kw/ecg/mml/ecg_ac.html

9/17/2003

"Exercise ECG Positive/Suggestive for ischemia" inserted as #34, current #34-48 retained, renumbered as #35 - 49