A 70-year-old woman had an ECG at her annual checkup. Using her lead II recording below calculate her hea rate
Correct Answer: 70
Description: The hea rate can be calculated by 60 divided by the R-R interval, which is 0.86 second. This results in a hea rate of 70 beats/min. (1500/No of small squares between R-R interval - but R-R interval should be regular)
Category:
Physiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now