Cardiovascular system

4. Dipole Theory

5. Electrode Records Upward or Downward Deflection

11. Precordial Leads

13. Sequence of Ventriclular Depolarization

14. Projection of a QRS Vector-loop onto Frontal and Horizontal Planes

15. Projection of a QRS Vector-loop onto Limb and Predordial Leads

16. Configuration of a QRS in Limb Leads

17. Configuration of a QRS in Precordial Leads

18. Measurements of an EKG

20. Mean QRS Vector

22. QRS Axis Deviation

23. Normal QRS Axis

24. Left Axis Deviation

25. Right Axis Deviation

26. Determination of a QRS Axis by Calculation

28. Sequence of Heart Activation

29. Measurements of an EKG

34. Normal QRS Complex R aVL < 1.2; R aVF < 2.0 qR, Rs or rS aVL, aVF < 0.5 QS, rS, rSr’ or Qr aVR 1.2~1.8, < 2.5 qR, qRs, Rs or R V5, V6 - RS (R/S1) V3, V4 < 1.0 rS V1, V2 Amplitude of R (mV) Deflection Leads

35. Progression of R in Precordial Leads

41. A Normal EKG

42. Enlargement of Left Atrial

45. Right Atrial Enlargement

48. Left Ventricular Hypertrophy

51. Right Ventricular Hypertrophy

54. AMI-99

59. Sinus Arrythmia

65. Ventricular Premature Contraction

68. PVC

69. Junctional Premature Contraction

71. Paroxymal Supraventricular Tachycardial ( PVST )

73. Ventricular Paroxysmal Tachycardia

74. Ventricular Paroxysmal Tachycardia

76. Atrial Flutter

80. Ventricular Flutter

86. 2nd Degree AV Block, Type I

88. Mobitz II 2nd degree AV block

90. Ⅲ Degree AV Block

93. Right Bundle Branch Block

95. RBBB

96. Left Bundle Branch Block

98. LBBB

99. Coronary Artery

100. Angina Pectoris

102. Classic Myocardial Infarction

103. Evolutionary Changes of EKG in AMI

105. Location of MI

106. Hyperacute Inferior MI

107. Acute Inferior MI

108. Acute Extensive Anterior/ Anterolateral MI

109. Subacute Inferior MI ( Inferior and Anteroseptal )

110. Old Inferior MI, PVCs, and Af

111. Mechanism of WPW

113. Preexcitation Syndrome (WPW) ( Type A )

114. Preexcitation Syndrome (WPW) ( Type B )

115. Thank You !

119. Precordial Leads

120. Sequence of Heart Activation