2 Flashcards
Which chamber of the heart receives deoxygenated blood from the bodys circulation
Right Atrium
Paroxysmal Supraventricular tachycardia is typically caused by
Overexcitement
which cardiac stress test method increases the speed and incline every three minutes
Bruce Protocol
the collection of electrical conducting cells that innervate the ventricles are called
Purkinje system
what typically happens to the rhythm after a pause in sinus arrest occurs
Escape
depolarization of the atrial myocardial cells result in
contraction of the atria
which is the correct method attaching the leads to the electrodes
connect the snap wire to the electrode before application
which of the following is the group pacemaker cells responsible for firing an action potential
Sinoatrial node
which of the following is true regarding microshock
the shock is caused by a damaged or frayed cord
which of the following is true regarding junctional bradycardia
treatment is immediate trancutaneous pacing
systole can be broken down into four phases. during which phase do the ventricles contract while the semilunar valves remain closed
isovolumetric contraction
there are three types of EKG leads. which type of leads are placed on the limbs, and contain only one positve pole
augmented leads
which of the following is the appropriate method of ventilating an unresponsive patient with an advanced airway
deliver one breath every six seconds
which of the following is true regarding sinus block
P waves are not affected
before mounting a completed EKG, what information should be written on the strip
Date,time, providers’s name special circumstances
which of the following statment is true regarding atrial fibrillation
if p waves are present, the rhythm is not atrial fibrillation
There are 5 types of arrhyhmias. which type causes the electrical current to bypass the normal conduction pathways by directing them to shortcuts
preexcitation syndrome
a 70 year old male comes to the emergency department with chest pain. As you prepare to place the electrodes for a 12 lead EKG, he askes how much pain will the EKG will cause him. What would you tell the patient
obtaining an EKG is a painless procedure
which of the following is not a criterion for an arrhythmia
Narrow qrs complexes
what is the single most important task to prevent the spread of pathogens
washing your hands
what type of rhythm is atrial fibrillation
irregular
which of the following is true concerning bipolar leads
the right arm is always negative
all of the following are normal findings in an infant patient except
a heart rate less than 100
which of the following is the group of pacemakers cells responsible for firing an action potential
Sinoatrial node SA