Presentation Transcript
Interpretation of ECG in Coronary Artery Disease :Interpretation of ECG in Coronary Artery Disease Dr. S. Aswini Kumar. MD
Professor of Medicine
Medical College Hospital
Thiruvananthapuram
Studying the ECG :Studying the ECG
ECG Reading Basic Steps :ECG Reading Basic Steps
Standardization & Heart rate :Standardization & Heart rate
Rhythm and Axis :Rhythm and Axis
Recognizing waves & intervals :Recognizing waves & intervals
P wave and PR Interval :P wave and PR Interval
Step 7. is looking for a ‘q wave’? :Step 7. is looking for a ‘q wave’? P QRS P P No Q Q QRS T T P
What is an insignificant ‘Q wave’? :What is an insignificant ‘Q wave’? Small q
In which leads small ‘q’ are seen? :In which leads small ‘q’ are seen? Lead III Lead II Lead V5 Lead V6
Non-significant and Significant ‘Q’ :Non-significant and Significant ‘Q’
Significant Q wave :Significant Q wave P Q P Q >0.04mm
Why is Q very important? :Why is Q very important?
What is the mechanism of ‘Q’? :What is the mechanism of ‘Q’?
Step 8. Finding out QRS duration :Step 8. Finding out QRS duration
Step 9. ST segment :Step 9. ST segment ST segment
What is ST segment elevation? :What is ST segment elevation? ST segment elevation ST segment
What is J point? :What is J point? J point elevation J Point
Significance of ST elevation :Significance of ST elevation
DD of ST elevation :DD of ST elevation
Early Repolarization :Early Repolarization
Whether there is ST depression? :Whether there is ST depression? Normal ST segment ST segment Depression
What is ST depression due to? :What is ST depression due to?
Types of ST depression? :Types of ST depression? Down sloping ST segment depression Horizontal ST segment depression
Step 10. T wave :Step 10. T wave Normal T wave
What is tall peaked T wave? :What is tall peaked T wave? Tall peaked T wave Normal T wave
Significance of peaked T :Significance of peaked T
What is T wave inversion? :What is T wave inversion? Symmetrical T Inversion Biphasic T wave
Step 11. R/S in V1 :Step 11. R/S in V1 Lead V1 Lead V1
Step 12. S in V1+ R in V6 :Step 12. S in V1+ R in V6 Lead V1 Lead V6
RVH and LVH :RVH and LVH V1 V6 V1
Changes in Acute MI :Changes in Acute MI
Walls of Infarction :Walls of Infarction
Walls of Infarction :Walls of Infarction
Summary :Summary
Slide 36:Thank you
for the
kind attention