Question

The area of the P wave is ______ wide and ends ______ before the R wave peak.

(a) 120 ms, 200 ms

(b) 200 ms, 120 ms

(c) 100 ms, 215 ms

(d) 215 ms, 100 ms

I had been asked this question in a job interview.

I'm obligated to ask this question of Bedside Patient Monitoring System in portion Patient Monitoring System of Biomedical Instrumentation

Answer 1

Right option is (b) 200 ms, 120 ms

For explanation: After a QRS complex is identified, a search is made on each lead independently in the area prior to the R wave to determine if there is an associated P wave. This area is 200 ms wide and ends 120 ms before the R wave peak.