Select the bipolar leads
aVR
V1
aVF
II
V2
Select the augmented leads
aVL
V6
V5
V4
Select the unipolar leads
V3
Lead V1 shows
Myocardial infarction in the anterior cardiac wall
Left bundle branch block
Right bundle branch block
Atrial flutter
Ventricular insufficiency
Assess the HR and cardiac axis
150 bpm, supraventricular tachycardia
150 bpm, sinus tachycardia
Which are the correct points relating P-wave
atrial depol.
atrial repol.
duration <120
duration <3 small boxes
negative in I, II, aVF
positive in aVR
P-pulmonale
amplitude <0,25 mV in limb lead
amplitude <0,3 mV in precordial
is physiological
indicates right atrial enlargement
left atrial enlargement
Biphasic P-wave in V1 with amp. >1 mm
Indicates left ventricular enlargement
Left atrial hypertrophy
Right atrial hypertrophy
Right ventricular hypertrophy
It is possible to see a peaked and wide P-wave in limb leads, and biphasic P-wave in V1 at the same time
An ECG with PQ interval with horizontal depression indicates
AV block grade 1
AV block grade 2
AV block grade 3
Pericarditis
Hypertrophy of left ventricle
QRS is
positive aVR
positive I
positive V4
positive V5
positive V6
negative aVR
negative V1-V2
negative I
positive V1-V2
Wide QRS indicates LBBB, RBBB, premature ventricle depolarization
ST segment starts at J-point and ends at the end of T wave
Pardee wave
indicates AMI
acute heart ischemia
is horizontal or convex ST segment elevation and depression in opposit leads
all is true
This ECG shows ischemia of
Lateral cardiac wall
Anterior cardiac wall
Inferior cardiac wall
ECG A indicates atrial fibrillation, while ECG B indicates atrial flutter
This ECG indicates
Ischemia
MI
LBBB
RBBB