Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
Related questions
Question
I need to calculate the approximate heart rate based on the given ECG results, but I can't get how to determine the length of time between two consecutive R waves. What I see, it's one second between the two highest waves (I suppose they are R waves). But it means the heart rate should be 60 beats per minute, but there is no option for this answer. Teach me how to determine correctly the length of time between two consecutive R waves.
Transcribed Image Text:Calculating heart rate from ECG results
Homework • Unanswered
Calculate the approximate heart rate based on these results:
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
30
b
50
80
d
110
Transcribed Image Text:Suppose that the ECG results were:
2.0
1.5
1.0
0.5
0.0
26.0
26.5
27.0
27.5
28.0
28.5
29.0
29.5
Time (s)
EKG
Voltage (mV)
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