The heart
How many chambers are in the heart?
4
What term describes a rhythm with regular P-P and R-R intervals, a normal P wave before each QRS complex and a rate below 60 BPM?
Sinus bradycardia
Said the occur when a pacemaker is not properly receiving/sensing the patients cardiac activity?
Failure to sense
When the cardiac muscle cells are stimulated?
the heart contracts
Before performing an EKG on a patient, it is important to have?
Patients consent
What are the upper chambers of the heart called?
Atria
What is the term for a normal rhythm with a rate of greater than 100 BPM?
Sinus Tachycardia
What creates a spike-like wave on EKG tracing?
Artifical pacemaker
Impulses from the AV node go through the ? to the right and left bundle branches
Bundle of His
AHA is an abbreviation for?
American heart association
Where are beta 1 receptors located?
The heart
What type of rhythm occurs when an electrical impulse generated in the SA node is blocked by the AV node or AV bundle?
Heart block
What is the inherent rate for the SA node?
60-100
The average number of heart contractions per minute for an adult is?
60-100
What speed is the paper moving for most EKG test?
25 mm/s
The bicuspid valve is also called?
Mitral valve
What describes a regular rhythm at 100-200 beats per minute with absent P waves?
Ventricular Tachycardia
What is the inherent rate for the AV junction?
40-60 BPM
What electrolyte triggers the first step in an electrical impulse in the heart?
Sodium
What artery supplies the right atrium and ventricle with blood?
Right coronary artery
What valves are known as the atrioventricular valves?
Tricuspid and Mitral
What term refers to abnormal, early beats resulting from electrical activity in the atria?
Premature atrial complexes
Describes an irregular atrial rhythm with a rate of 60-100 bpm, variations in PR interval, and at least three P wave variation in one lead?
Wandering Atrial Pacemaker
Which electrolyte plays an important role in cardiac conduction?
Sodium
What is the name for a rhythm on an EKG that is noted to come and go?
Transient