Which of the following is not represented on an ECG of a healthy individual?
1. | Ventricular depolarization | 2. | Ventricular repolarization |
3. | Atrial depolarization | 4. | Atrial repolarization |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The period of systole is represented on surface ECG as between:
1. Beginning of P wave and beginning of Q wave
2. End of S wave and beginning of T wave
3. Shortly after Q wave and end of the T wave
4. Two successive R waves
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In a normal ECG, The T wave represents:
1. | ventricular depolarization | 2. | atrial repolarization |
3. | ventricular repolarization | 4. | atrial depolarization |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
QRS complexes on the ECG tracings show that:
1. The atria are depolarizing.
2. The ventricles are depolarizing.
3. The ventricles are repolarizing.
4. The heart is at rest.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
On a surface ECG, the end of ventricular systole is marked by:
1. | The end of the QRS complex |
2. | The beginning of T wave |
3. | The end of T wave |
4. | The beginning of P wave |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
If you compare with the normal ECG tracing given in your NCERT, the following ECG shows an abnormal:
1. P wave 2. R wave 3. S wave 4. T wave |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. P wave | 2. PR interval |
3. QRS complex | 4. ST segment |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To obtain a standard ECG, a patient is connected to the machine with three electrical leads including all the following except:
1. | One to right wrist | 2. | One to left wrist |
3. | One to right ankle | 4. | One to left ankle |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Match Column I and Column II :
Column I | Column II |
(a) P-wave | (i) Depolarisation of ventricles |
(b) QRS complex | (ii) Repolarisation of ventricles |
(c) T-wave | (iii) Coronary ischemia |
(d) Reduction in the size of T-wave | (iv) Depolarisation of atria |
(v) Repolarisation of atria |
Select the correct option:
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (v) | (iv) |
2. | (iv) | (i) | (ii) | (iii) |
3. | (iv) | (i) | (ii) | (v) |
4. | (ii) | (i) | (v) | (iii) |
Most cases of CAD result from:
1. | Angina pectoris | 2. | Myocardial infarction |
3. | Atherosclerosis | 4. | Heart failure |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.