8/14/2019 Ecg Test Mitra Keluarga Kelapa Gading Hospital

1/2

ECG TEST

MITRA KELUARGA KELAPA GADING HOSPITAL

2009

1. The correct statement about P wave

a. P wave showed the contraction of the atria

b. The normal value of P wave is 0,12-0,20 s

c. P wave measures AV conduction time

d. Atrial depolarization

2. What is the normal range of the QRS axis?

a. 0 degrees to 180 degrees

b. -30 degrees to +120 degrees

c. -30 degrees to +90 degrees

d. -90 degrees to +90 degrees

3. Regarding the PR interval of the ECG all the following are correct,except

a. Represents atrial depolarization and conduction through AV node

b. Normal duration from 0,16-0,20 second

c. Prolonged in RBBB

d. Prolonged in first degree AV Block

4. The correct statement about J junction

a. The point at which the QRS complex ends and the ST segmentbegins

b. The measurement of total ventricular depolarization time

c. Normal value 0,12-0,20 s

d. The distance between 2 successive R waves

5. Regarding the ST segment of the ECG all the following are correct,except

a. The isoelectric period between the end of the S wave and thebeginning of the T wave

b. Minor deviation from baseline permissible of less then 1 mm

c. Represent the total duration of electrical systole

d. Clinical importance is related to its isoelectric position ratherthan its duration

8/14/2019 Ecg Test Mitra Keluarga Kelapa Gading Hospital

2/2

6. Leads that reflect the location of the inferior infarction

a. V2-V6

b. V1-V3

c. II, III, aVF

d. I, aVL and V6

7. The following statements are true about T wave changes due tomyocardial infarction, except

a. Within the first few hours of infarction, giant upright T wave maybe seen in leads overlying the infarct

b. After a period of hours or days, the ST segment returns to theisoelectric line and T wave changes occur

c. The T wave changes may begin to develop while the STsegments are still deviated

d. The typical infarction T wave is inverted and asymmetric

8. The following statement are true about lead I,II and III, except

a. Lead I placed between left and right arm

b. Lead II placed between leg and right arm

c. Lead III placed between leg and left arm

d. Lead I,II,III are unipolar lead

9. The true statement about PR interval

a. 0,10-0,22 sec

b. More than 0,22 sec

c. Less than 0,10 sec

d. PR interval measures the time required for the impuls to travelfrom AV node to ventricular myocardium

10.The following statement are true about Normal Rhythm, except

a. Is called Sinus Rhythm

b. Consist of only one P wave and only one preceding each QRScomplex

c. P wave is negative in aVR

d. The U wave must be present in a normal ECG