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...
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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