EKG 12 lead Practice exam
Questions and Answers Verified
Solutions Latest Update
(2026/2027)
Question:
negative in lead aVF.
Answer:
On the EKG below, the waves recorded by the six leads of
the frontal plane are shown. Is the QRS axis normal or is there axis
deviation? What is the polarity
of the leads?
The QRS complex in lead aVR is approximately biphasic; therefore, the
electrical axis must lie
nearly perpendicular to it, that is, at either −60° or +120°. Because we
already know that the axis
falls within the zone of left axis deviation (ie, between 0° and −90°), the
correct axis must be −60°
Question:
Answer:
Define the EKG more precisely by finding the biphasic wave (define the
electrical
axis)
,Question:
Normal QRS axis
Answer:
Question:
Does this EKG represent a Normal QRS axis, Right Axis
Deviation, Left Axis Deviation, or a Extreme axis deviation?
Left axis deviation
Answer:
Question:
Does this EKG represent a Normal QRS axis, Right Axis
Deviation, Left Axis Deviation, or a Extreme axis deviation?
Normal
Answer:
Question:
Does this EKG represent a Normal QRS axis, Right Axis Deviation, Left
Axis Deviation, or a Extreme axis deviation?
Left axis deviation
Answer:
,Question:
Does this EKG represent a Normal QRS axis, Right Axis
Deviation, Left Axis Deviation, or a Extreme axis deviation?
Right atrial enlargement
Answer:
Question:
What condition is represented in this EKG?
Right atrial enlargement
Answer:
Question:
What condition is represented in this EKG?
Left atrial enlargement
Answer:
Question:
What condition is represented in this EKG?
Left atrial enlargement
Answer:
Question:
, What condition is represented in this EKG?
Right ventricle hypertrophy
Answer:
Question:
What condition is represented in this EKG?
Right ventricular hypertrophy
Answer:
Question:
What condition is represented in this EKG?
Left ventricular hypertrophy
Answer:
Question:
What condition is represented in this EKG?
Secondary Repolarization - Downsloping ST-segment depression and T wave
inversion
Answer:
Question:
What does this image represent?
Normal Sinus Rhythm
Questions and Answers Verified
Solutions Latest Update
(2026/2027)
Question:
negative in lead aVF.
Answer:
On the EKG below, the waves recorded by the six leads of
the frontal plane are shown. Is the QRS axis normal or is there axis
deviation? What is the polarity
of the leads?
The QRS complex in lead aVR is approximately biphasic; therefore, the
electrical axis must lie
nearly perpendicular to it, that is, at either −60° or +120°. Because we
already know that the axis
falls within the zone of left axis deviation (ie, between 0° and −90°), the
correct axis must be −60°
Question:
Answer:
Define the EKG more precisely by finding the biphasic wave (define the
electrical
axis)
,Question:
Normal QRS axis
Answer:
Question:
Does this EKG represent a Normal QRS axis, Right Axis
Deviation, Left Axis Deviation, or a Extreme axis deviation?
Left axis deviation
Answer:
Question:
Does this EKG represent a Normal QRS axis, Right Axis
Deviation, Left Axis Deviation, or a Extreme axis deviation?
Normal
Answer:
Question:
Does this EKG represent a Normal QRS axis, Right Axis Deviation, Left
Axis Deviation, or a Extreme axis deviation?
Left axis deviation
Answer:
,Question:
Does this EKG represent a Normal QRS axis, Right Axis
Deviation, Left Axis Deviation, or a Extreme axis deviation?
Right atrial enlargement
Answer:
Question:
What condition is represented in this EKG?
Right atrial enlargement
Answer:
Question:
What condition is represented in this EKG?
Left atrial enlargement
Answer:
Question:
What condition is represented in this EKG?
Left atrial enlargement
Answer:
Question:
, What condition is represented in this EKG?
Right ventricle hypertrophy
Answer:
Question:
What condition is represented in this EKG?
Right ventricular hypertrophy
Answer:
Question:
What condition is represented in this EKG?
Left ventricular hypertrophy
Answer:
Question:
What condition is represented in this EKG?
Secondary Repolarization - Downsloping ST-segment depression and T wave
inversion
Answer:
Question:
What does this image represent?
Normal Sinus Rhythm
