What is the mean electrical axis of the ECG recording shown below? 1 ليسلسلسليا .. ----------- ان -60 degrees +90 degrees +60 degrees 0 degrees -30 degrees rr aVP
What is the mean electrical axis of the ECG recording shown below? 1 ليسلسلسليا .. ----------- ان -60 degrees +90 degrees +60 degrees 0 degrees -30 degrees rr aVP
Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN:9781337794909
Author:Des Jardins, Terry.
Publisher:Des Jardins, Terry.
Chapter13: The Standard 12-ecg Lead System
Section: Chapter Questions
Problem 5RQ
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Transcribed Image Text:What is the mean electrical axis of the ECG recording shown below?
VR
مل لسمليا
%3D
VL
aVP
-60 degrees
+90 degrees
+60 degrees
0 degrees
-30 degrees
Transcribed Image Text:A middle-aged patient presents for her annual physical examination in
seemingly good health. She has a blood pressure of 128/83 mm Hg, and
echocardiography indicates that end-diastolic volume is 140 mL and end-
systolic volume is 80 mL. A routine ECG is obtained and is shown below.
The ECG reveals the patient is in normal sinus rhythm with an R-R interval
of 0.76 seconds. This corresponds to a heart rate of:
70 beats/min
74 beats/min
79 beats/min
84 beats/min
88 beats/min
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