ecg diagnosis system
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Joined: Apr 2010
28-05-2010, 06:30 PM
To develop a software to detecet ECG waves. Thus developing a virtual cardiologist. For this detailed study about the vast area of different heart diseases have to be detected. The variations in an ecg from a normal ecg points to any disease. That varaiation is to be directed to corresponding disease. So giving ecg inputs we can detect the disease.
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Active In SP
Joined: Nov 2010
01-12-2010, 09:09 AM
The Interpretation of the standard 12-lead ECG is a formidable task. a systematic approach to ECG interpretation cannot be beaten. The following details are generally inferred from a general ECG:
Patient and ECG details
the name, date and time of the ECG and the patient name are given on the top
one small square on the ECG is equivalent to 0.04 s and one large square is 0.2 s. counting the number of large
squares between QRS complexes and divide into 300 is the easiest way to calculate the heart rate. The condition is tachycardia if the heart rate is >100bpm and bradycardia if it is <60 bpm.
three or four consecutive beats are mapped to confirm regular rhythm. In a regular rhythm, P wave precedes every QRS complex with consistent PR interval is sinus rhythm.
The P waves is not discernable. there is also a irregular rate. This indicates atrial defibrillation. The condition is sinus
arrhythmia if there is P wave preceding each QRS with consistent PR interval.
right atrial hypertrophy is suggested by Peaked P waves
left atrial hypertrophy is indicated by the Bifid broad P waves
A short PR interval represents rapid conduction
across the AV node. Wenckebach’s AV block is indicated by a A PR interval that lengthens with each consecutive QRS complex and finally a P wave with no QRS comlplex.
0.12 s or three small squares is the duration of a QRS complex. a bundle branch block or beat that is ventricular in origin is signified by a A broad QRS complex.
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