Cardiology
What is a complete cardiac cycle?
Atria contract, Ventricles contract and heart is then at rest.
Where is V2 located?
4th intercostal space to the left margin of the sternum
What does a peak flow meter measure?
Measures how quickly air flows out of the lungs
What is the 'Pacemaker' of the heart?
The sinoatrial node (SA node)
Where are the precordial leads located?
They are the 6 chest leads
Where is V6 located?
At horizontal level of position 4, at the left midaxillary line
Why is there a delay at the AV node?
What does the 'a' stand for in aVR, aVL, aVF?
Augmented
The QRS complex follows what wave?
P wave
Where is V3 located?
Midway between positions 2 and 4
What is depolarization and repolarization?
Contraction followed by relaxation.
Leads I, II and II are what type of lead?
Biopolar Leads
Where is V4 located?
Fifth intercostal space, at junction of left midclavical line
Where are the coronary arteries located?
They branch from the Aorta and lay on top of the heart.
Where is V5 located?
At horizonal level of position 4, at left anterior axillary line
What is the pathway of the conduction of the heart?
SA node, AV node, Bundle of his, R&L bundle branches, purkinje fibers.