Heart
where is the heart located
mostly to the left of midline
What is a pulse, and name 2 sites where they can be detected?
palpable or audible artery wrist on the side of the thumb and in the neck beside the Atom's apple.
The blood vessels carry blood toward the heart are called ?
veins
What is the P wave and the QRS wave on an EKG?
The P wave is the conduction/contraction of the atrium. A QRS wave is the conduction/contraction of the ventricle.
High blood pressure is often called the silent killer because?
Your blood pressure can be elevated for years without knowing it. This can change the shape of the heart muscle.
Name Chambers of heart
2 upper chambers atria, right and left
& 2 lower ventricles, right and left
normal pulse rate is
60 to 100
the pacemaker of the heart
SA Sinoatrial node
How many leads on in a EKG
12
What is lub dub
Heart sounds
Where does the blood return to the heart?
left atrium
What do the coronary arteries do?
feed the cardiac muscle with oxygen and nutrients.
the blood vessels that carry blood away from heart
arteries
This node is the pacemaker of the heart.
SA node
What is normal capillary refill
less than 2 seconds
Where are the tricuspid and pulmonary valves located.
Tricuspid between the right atrium and the right ventricle; pulmonary between the right ventricle and the pulmonary artery
What is the rhythm of a pulse?
regular or irregular contraction of the heart
Another name for depolarization is
contraction
What chamber of heart is the SA node in
right atrium
What is cyanosis?
Blue like color around lips and under skin indicates low oxygen
How is the heart supplied blood?
Arteries that branch directly from aorta called the coronary arteries.
where is the PMI located
Apex of heart 4th 0r 5th intercostal space
Name for blockage in the coronary artery.
Myocardial infarction or heart attack
What is an AED used for?
An automated electronic defibrillator is used to shock a cardiac arrest patient back into a normal heart rhythm. Often in a cardiac arrest, the heart is just quivering.
What is expected o2 saturation?
94-100%