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Exam (elaborations)

Echo 1 Final Questions and Answers

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to obtain a 12- lead ECG you must apply how many lead wires and electrodes to the patient? Ans- 10 the most common setting for standard speed rate on the ECG machine is Ans- 25 mm/sec for the proper placement of V3, you must have placed which other two leads on the patient's chest? Ans- v2...

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  • August 2, 2024
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  • ECHO
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Echo 1 Final Questions
and Answers


to obtain a 12- lead ECG you must apply how many lead wires and electrodes to

the patient?


Ans- 10




the most common setting for standard speed rate on the ECG machine is


Ans- 25 mm/sec




for the proper placement of V3, you must have placed which other two leads on

the patient's chest?


Ans- v2 and v4




the normal value (timing) for the ST segment is

,Ans- < 0.12 seconds




the normal value (timing) for the PR interval is


Ans- 0.12-0.20 seconds




the gain control is normally set at


Ans- 10 mm/mV




which sinus rhythm has a rate of less than 60 beats per minute?


Ans- sinus bradycardia




the smallest box on the EKG graph paper is ____ in size and represents ____ in

time


Ans- 1 mm, 0.04 seconds 0.2 seconds




the QRS complex on the EKG represents


Ans- ventricular depolarization

, when tracing the LA, use the ____ chamber and the ______ chamber views


Ans- 4 chamber & 2 chamber




what does LAVi stand for?


Ans- left atrial volume index




what does an E/e' >14 indicate?


Ans- abnormal LV filling pressure




what does an E/e' <8 indicate?


Ans- normal LV filling pressure




Increased LAVi


Ans- ALL OF THE ABOVE (reflects increased left atrial pressure in the

absence of MV disease, is a sign of diastolic dysfunction, predicts outcome of

heart failure)

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