Cardiovascular

Front 1

The ability of the heart to initiate an electrical impulse is called _____________.

Back 1

Automaticity

Front 2

The ability of the heart to respond to an electrical impulse is called ________.

Back 2

excitability

Front 3

The ability of the heart to transmit an electrical impulse from one cell to another is called ________.

Back 3

Conductivity

Front 4

An impulse that originates in the sinoatrial node and that has a slow rate is called a ________ _________.

Back 4

sinus bradycardia

Front 5

Electrical stimulation of the heart is called ________. This causes the mechanical stimulation of the heart known as _________.

Back 5

Depolarization
Systole

Front 6

Electrical relaxation is called __________.

Back 6

Repolarization

Front 7

Mechanical relaxation is called _______.

Back 7

Depolarization

Front 8

The __ wave represents atria depolarization.

Back 8

P

Front 9

The __ wave represents ventricular muscle repolarization.

Back 9

T

Front 10

The __ segment represents early ventricular repolarization.

Back 10

ST

Front 11

______ _______ occurs when the sinus node creates an abnormally fast rhythm.

Back 11

Sinus tachycardia

Front 12

________ ________ occurs when the sinus node creates an irregular rhythm. The rate usually increases with inspiration and decreases with expiration.

Back 12

Sinus Arrhythmia

Front 13

In _______ _______, there is rapid disorganized and uncoordinated twitching of atrial muscularture. Atrial rate is 300-600 and Ventricular rate is 120-200 resulting in reduced stroke volume, a pulse deficit, and possible emboli formation (stroke).

Back 13

Atrial fibrilization

Front 14

In ______ ______ the atrial rate is between 250-400 times per minute and the Ventricular rate is only 75-150. This is due to a therapeutic block at the AV node causing the ventricles not to contract as often.

Back 14

Atrial flutter

Front 15

______ degree heart block occurs when all atrial impulses are conducted through the AV node into the ventricles at a slower than normal rate.

Back 15

First degree heart block

Front 16

___________________ occurs when all but one of the atrial impulses are conducted through the AV node into the ventricles.

Back 16

Second degree AV heart block, Type 1

Front 17

______________________ occurs when only some of the atrial impulses are conducted through the AV node into the ventricles.

Back 17

Second degree AV heart block, Type II. (Mobitz)

Front 18

_______ _________ is a rapid but disorganized ventricle rhythm that causes ineffective quivering of the ventricles. There is no atrial activity seen on the ECG.

Back 18

Ventricular fibrillation

Front 19

________ is characterized by an absent QRS complex; although P waves may be present for a short time. There is no heartrate, no respirations, and no pulse.

Back 19

Asystole

Front 20

Dopamine increases renal perfusion at the low dose of __-__ mcg/kg/min.

Back 20

1-2

Front 21

Dopamine increases contractility and CO at _______ doses of __ ___ mcg/kg/min.

Back 21

moderate
5-10

Front 22

________ is a vasoconstrictor that has both alpha and beta effects. It increases contractility, CO, and Blood pressure. It also causes bronchial smooth musle dilation and treats anaphylactic shock. __ mg is given IV push every 3-5 minutes.

Back 22

Epinephrine
1

Front 23

Vasopressin is a potent _______. You must be cautious because it may decrease __ perfusion.

Back 23

Vasoconstrictor
GI

Front 24

_______ decrease preload and afterload by decreasing venous return.

Back 24

Vasodilators

Front 25

Dobutamine and Primacor are examples of ________.

Back 25

Inotropes.

Front 26

_____ is an inotrope that is more effective in increasing Right ventricle contractility and pulmonary artery vasodilation

Back 26

Primacor

Front 27

_________ is an antiarrhythmic used to influence heart rate during A-fib, A-flutter, PVCs, VT/VFib.

Back 27

Amiodarone

Front 28

Calcium Channel Blockers and Beta Blockers ________ the heart rate.

Back 28

decrease

Front 29

________ is used to slow the conduction through the AV node to restore normal rhythms. It is the first drug of choice during SVTs. It's dose is ___ mg rapid IV push.

Back 29

Adenosine
6mg

Front 30

_______ is used to treat symptomatic bradycardias, asystole, or pulseless electrical activity at __ mg q 3-5minutes IV push. It can be given a max of __ times.

Back 30

Atropine
1
3

Front 31

Normal SVR is _____-_______, and it measures how constricted or dilated the ______ is (afterload)

Back 31

800-1200
aorta

Front 32

PVR or _________ Vascular Resistance tells how dilated or constricted the pulmonary artery is.

Back 32

Pulmonary

Front 33

A _______ _______ ________ takes over the pumping of the Left Ventricle. This increases ________.

Back 33

Ventricular Assist Device
Contractility

Front 34

Rhythms such as Afib and Junction Rhythm do not allow the _____ _____ component of CO.

Back 34

Atrial Kick

Front 35

____ measures preload on the Swan Ganz Cathetar from the Right Atrium. The normal value is __-__. ___ indicates hypovolemia and ___ indicates hypervolemia

Back 35

CVP
2-12
2
12

Front 36

__ __ is determined by the temperature reading on the Swans Ganz Cathetar.

Back 36

Cardiac Output.

Front 37

The ______ reading on the Swans Ganz Cathetar comes from the Pulmonary Artery and tells how much oxygen is being extracted by the tissues. The normal value is ___. If it is less, the tissues are using too much.

Back 37

SVO2
70

Front 38

The Phlebostatic Axis is placed on the __________ line.

Back 38

midaxillary

Front 39

A pulse occurs as a result of ____ ______ contraction.

Back 39

Left.

Front 40

An elevated ST segment indicates an ________. A depressed ST segment indicates ________.

Back 40

MI
ischemia

Front 41

A normal PR interval is ___-___ if a second. It is an indicator of ____ nodal function.

Back 41

0.12-0.20
AV

Front 42

To get heart rate, count the QRS's in six seconds and multiply by ___.

Back 42

10

Front 43

The QRS should be no longer than ____ of a second.

Back 43

.10

Front 44

During ______, there are wide bizarre QRS waves

Back 44

Vtac

Front 45

During ______ Heart Block, no atrial impulses can conduct through the AV node to cause Ventricular depolarization.

Back 45

Third degree or Complete heart block.