AUGUST 2018 Sub. Code: 1510
B.Sc. CARDIAC TECHNOLOGY
FIRST YEAR
PAPER III MEDICAL ELECTRONICS, BIOPHYSICS AND COMPUTER
USAGE RELEVANT TO CARDIAC TECHNOLOGY BASIC
ELECTROCARDIOGRAPHY
Q.P. Code: 801510
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Explain in detail the ECG lead system.
2. Explain radiation dose reduction strategies.
3. Discuss on impedance plethysmography.
II. Write notes on: x 5 40)
1. Write notes on synchronized and asynchronized defibrillator.
2. Asculatory method of blood pressure monitoring.
3. Normal P wave.
4. Method of monitoring oxygen saturation using pulse oximeter.
5. Unipolar leads.
6. Necessity of defibrillator.
7. Write a note on strain guage transducer.
8. Imaging modes in ultrasound.
III. Short answers on: (10 x 3 30)
1. Acoustic impedance.
2. Action potentials.
3. Placement of pericardial electrodes.
4. Sensor used in pulse oximeter.
5. Electrode used to detect P wave and the time duration of P-wave.
6. Piezo electric effect.
7. Depolarisation and repolarization.
8. Doppler effect.
9. Calculate the heart rate if there are 5 R waves in a 60 seconds strip.
10. What is radiation and mention its types?