| Electrodes | Heart chambers | VALVES | LEADS |
|---|---|---|---|
|
sino atrial node
what is known as the pacemaker of the heart? |
Right atrium
What is the upper chamber of the heart that receives blood from the superior Vena Cava?
|
to transfer blood to the aorta then the whole body
What is the function of the aortic valve? |
The 12 lead ECG is made up of the three standard limb leads (I, II and III), the augmented limb leads (aVR, aVL and aVF) and the six precordial leads (V1, V2, V3, V4, V5 and V6).
What are the 12 leads?
|
|
bottom right atrium
What is the location of the av node?
|
left ventricle
what is the biggest chamber in the heart?
|
tricuspid valve
what is between the Right Atrium & Right Ventricle
|
the right leg is grounded
Why aren't there any leads on the RT leg?
|
|
automaticity, excitability, conductivity, contractility
What are the characteristics of a cardiac cell? |
septum
What is the internal structure of the heart (made of myocardium) that separates the right and left sides?
|
heart valves located between ventricles and great arteries leaving heart
What is the location of the semi lunar valves? |
to get different views of the heart
what is the purpose of the leads?
|
|
to pass the electrical current through small fibers
What is the function ofthe perkinje fibers? |
left atrium
What chamber does oxygen rich blood flow into?
|
atrioventricular valve
What are the heart valves located between atrium and ventricle? |
not a product of heart's electrical activity
What is an artifact?
|
|
60-100 bpm
What is the discharge rate of the SA node? |
the two ventricles
What are the two chambers with the thickest walls? |
The" lub" is the sound of the tricuspid and mitral valves closing. The" DUB" is the sound of the aortic and pulmonary valves closing.
Which valves make up the lubdub sound? |
lead 1,2,3
What are the Bipolar limb leads?
|
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