CRAT Questions with Complete Solutions
What are symptoms of 3rd degree av block? Severe fatigue,chest pain, pulmary edema
Sinus Tachycardia is characterized by heart rate above? 100 bpm
What chamber of the heart has the thickest walls? Left ventricular
If the bundle of His becomes blocked, what can be activated as a pacemaker? Purkinje fibers
If the patient is experiencing hypokalemia, what might be seen on an EKG? U wave
Originating above the ventricles, what will cause the heart to beat between 150 and 250 bpm?
Atrial tachycardia
What is the thin layer that covers the myocardium? Epicardium
,When applying the 10 times method to calculate the ventricular rate, which waves do you count
on the rhythm strip? R wave
What should also be checked in addition to the three methods of calculating atrial or ventricular
heart rate? Patient pulse
In measuring ventricular regularity if there is no R wave what could be measured instead?
The Q and S wave junction
True or False
The SA node protects the ventricles from the 400-609 erratic atrial impulses that occur during
atrial fibrillation False
The AV Node
Generally there's no treatment necessary for bradycardia unless the patient shows symptoms of—
—- Decrease cardiac output
If the contact on an electrode is not conducting well or placement is wrong, what can occur?
Wondering baseline
, sinus rhythm is the pacemaker action for? SA node
A pediatric patient will have a shorter PR interval because? Children have smaller ventricular
size
Generally, the chest leads are oriented through_____to project through the patients back AV
node
What acts as a safety net to prevent the ventricles from going into standstill? Idioventricular
rhythm
When setting up limb leads and placing them in equal distances from the heart, it is typically
known as? Eithoven's triangle
Sinus tachycardia occurs in approximately what percentage of patients following an acute
myocardial infarction? 30%
When three or more PVCs happen in a row, it's considered what? Ventricular tachycardia
What are symptoms of 3rd degree av block? Severe fatigue,chest pain, pulmary edema
Sinus Tachycardia is characterized by heart rate above? 100 bpm
What chamber of the heart has the thickest walls? Left ventricular
If the bundle of His becomes blocked, what can be activated as a pacemaker? Purkinje fibers
If the patient is experiencing hypokalemia, what might be seen on an EKG? U wave
Originating above the ventricles, what will cause the heart to beat between 150 and 250 bpm?
Atrial tachycardia
What is the thin layer that covers the myocardium? Epicardium
,When applying the 10 times method to calculate the ventricular rate, which waves do you count
on the rhythm strip? R wave
What should also be checked in addition to the three methods of calculating atrial or ventricular
heart rate? Patient pulse
In measuring ventricular regularity if there is no R wave what could be measured instead?
The Q and S wave junction
True or False
The SA node protects the ventricles from the 400-609 erratic atrial impulses that occur during
atrial fibrillation False
The AV Node
Generally there's no treatment necessary for bradycardia unless the patient shows symptoms of—
—- Decrease cardiac output
If the contact on an electrode is not conducting well or placement is wrong, what can occur?
Wondering baseline
, sinus rhythm is the pacemaker action for? SA node
A pediatric patient will have a shorter PR interval because? Children have smaller ventricular
size
Generally, the chest leads are oriented through_____to project through the patients back AV
node
What acts as a safety net to prevent the ventricles from going into standstill? Idioventricular
rhythm
When setting up limb leads and placing them in equal distances from the heart, it is typically
known as? Eithoven's triangle
Sinus tachycardia occurs in approximately what percentage of patients following an acute
myocardial infarction? 30%
When three or more PVCs happen in a row, it's considered what? Ventricular tachycardia
