anatomy exam part one
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45 Terms
What is this called? Where are the lead ( from left to right)
Einthoven’s triangle, II, I, III
What is this?
An ECG which is a graphic of the electrical activity of the heart
What is this?
An ECG which is a graphic of the electrical activity of the heart
What happens in those three circles during this event? (what and where) Left to right
Depolarization of the atria, Depolarization of the ventricles, Repolarization of the ventricles,
What electrical events happen in these red circles? (left to right)
P, Q, R, S,T
What are the blue and orange parts called?
orange is the PR interval, blue is the QT interval,
What are the green and purple parts called?
green is the PR segment, purple is the ST segment
What is the red part called?
The QRS complex
How long is a P wave?
0.08-0.10s
How long is a P-R interval?
0.12-0.20s
How long is the QRS complex?
0.06-0.10s
How long is the Q-Tc interval?
less than or equal to 0.44s
What is the PR interval atrial to?
atrial to ventricular conduction time
What chamber does the heartbeat start in? What area?
right atrium in the sinoatrial node (SA)
Where does the electrical impulse propagate to?
the atrioventricular node (AV) in the center of the heart
What chamber do the AV node travel to?
ventricles
What part in an ECG is the heart rate ?
R-R interval
What is an average heartbeat rate?
79 bpm
is this a normal ECG?
no this is bradycardia where the heart beats fewer than 60 times per minute
is this a normal ECG?
yes this is normal sinus rhythm
is this a normal ECG?
no this is sinus tachycardia when the heart beats more than 100 beat per minute
what is this
auricle
what is this
superior vena cava
what is this
brachiocephalic artery
what is this
left subclavian artery
what is this
arch of the aorta
what is this
pulmonary artery
what is this
ventricle of the heart
what is this
inferior vena cava
what is the blue star
the heart
what is the blue star
superior vena cava
what is the blue star
brachiocephalic vein
what are the two blue stars
right common carotid artery, trachea
what is the blue star
left common carotid artery
what is the blue star
left subclavian artery
what is the blue star
brachiocephalic artery
what are the two yellow stars? (bottom to top)
thoracic aorta, left subclavian
what is the blue star
abdominal aorta
what is the blue star
superior mesenteric
what are the two blue stars (left to right)
splenic and right gastric
what are the blue stars (top to bottom)
hepatic, celiac trunk
what are the blue stars? top to bottom
inferior vena cava, renal vein
what are the blue stars? top to bottom
celiac trunk, abdominal aorta
what are the two stars top to bottom
Abdominal aorta, inferior vena cava
what are the two stars top to bottom
external lliac, internal lliac