Normal sinus rhythm

Question 1

what is the parameters for a normal P wave?

Answer 1

smooth, round, 0.08 to 0.10 sec

Question 2

what is the parameters for a normal QRS complex?

Answer 2

0.06 to 0.12 sec

Question 3

what is the parameters for a normal T wave?

Answer 3

never taller than 2/3 of QRS

Question 4

what is the definition of a NSR (8)

Answer 4

• Rhythm is regular
• rate is 60 – 100 beats per minute (bpm)
• P-wave is upright with normal rounded morphology
• P-R interval is 0.12 - 0.20 seconds
• QRS width is 0.06 – 0.12 sec
• A QRS complex follows every p – wave
• A P-wave precedes every QRS complex
• A T-wave follows every QRS complex

Question 5

what is the parameters for a normal P-R interval?

Answer 5

0.12 to 0.20 seconds