ARRYHTHMIA

Question 1

is a problem with the rate of rhythm of the heartbeat(Irregular heartbeat). During an arrhythmia, the heart can beat too fast, too slow, or in irregular rhythm.

Answer 1

Arrhythmia

Question 2

Heartbeat that is too slow

Answer 2

Bradycardia

Question 3

Heartbeat that is too fast

Answer 3

Tachycardia

Question 4

5 elements of cardiac conduction system

Answer 4

Sino atrial node
Atrioventricular node
Bundle of His
Purkenji Fibers
Bundle of Branches

Question 5

It is the impulse that signals the heart to contract

Answer 5

Sinoatrial node

Question 6

P wave

Answer 6

Contraction of atria

Question 7

QRS wave

Answer 7

Contraction of ventricles

Question 8

T wave

Answer 8

Repolarization of ventricles

Question 9

Phase 0 aka

Answer 9

Upstroke

Question 10

Phase 0

Answer 10

Opening of Na gated channel

Question 11

Phase 1 aka

Answer 11

Early Fast Repolarization

Question 12

Phase 1

Answer 12

Closing of Na, Opening of K, Cl channel

Question 13

Phase 2 aka

Answer 13

Plateu phase

Question 14

Phase 2

Answer 14

Sustained inward movement of calcium, outward movement potassium

Question 15

Phase 3 aka

Answer 15

Repolarization Phase

Question 16

Phase 3

Answer 16

Sustained opening of K Channel, Closed Ca Channel

Question 17

Phase 4 aka

Answer 17

Resting phase

Question 18

Phase 4

Answer 18

Diastole all channel are closed

Question 19

Is a rapid heart rate that is caused by electrical impulses that orginate above the hearts ventricls

Answer 19

Supraventricular Tachycardia

Question 20

Supraventricular Tachycardia aka

Answer 20

Paroxymal Supraventricular Tachycardia

Question 21

Most common type of arrythmia

Answer 21

Atrial fibrillation

Question 22

Similar to atrial fibrillation, spread through atria

Answer 22

Atrial flutter

Question 23

It is an uncommon and distinctive form of polymorphic supraventricular tachycardia

Answer 23

Torsades de Pointes

Question 24

An extra or so called accessory pathway exist in the upper and lower chamber of the heart

Answer 24

WOFF PARKINSONS WHITE SYNDROME

Question 25

Class 1

Answer 25

Na channel blockers

Question 26

Class 2

Answer 26

Beta blockers

Question 27

Class 3

Answer 27

Potassium channel blocker

Question 28

Class 4

Answer 28

Calcium channel blocker

Question 29

Class 1A

Answer 29

Dysopyramide Quinidine Procainamide

Question 30

Class 1B

Answer 30

Mexiletine Tocainide Lidocaine

Question 31

Class 1C

Answer 31

Moricizine Flecainide Propafenone

Question 32

Anticholinergic moderate

Answer 32

Quinidine

Question 33

Quinidine S/E

Answer 33

Cinchonism

Question 34

Cinchonism

Answer 34

Blurred vision, Tinnitus, Headache, Psychosis

Question 35

Enhances Digitalis toxicity

Answer 35

Quinidine

Question 36

Anticholinergic short half life

Answer 36

Procainamide (Pronestyl)

Question 37

Procainamide S/E

Answer 37

SLE

Question 38

Drug second choice for most sustained ventricular arrthymias with MI

Answer 38

Procainamide (Pronestyl)

Question 39

Anticholinergic Strong

Answer 39

Dysopyramide (Norpace)

Question 40

Dysopyramide S/E

Answer 40

Negative inotropic effect

Question 41

Decrease action potential duration

Answer 41

Class IB

Question 42

Weakly inhibits phase O

Answer 42

Class IB

Question 43

Used in Post arrthymia

Answer 43

Class IBy

Question 44

Toxic metabolite of Lidocaine

Answer 44

Monoethyl Glycine Xylidide, Glycine Xylidide

Question 45

Strongly inhibits Phase O

Answer 45

Class IC

Question 46

Use in paroxymal atrial fibrillation

Answer 46

Class IC

Question 47

Terminate ventricular tachycardia and prevent ventricular fibrillation after cardioversion

Answer 47

Lidocaine

Question 48

Orally active congeger of lidocaine used in ventricular arrythmia chronic pain syndrome

Answer 48

Mexiletine

Question 49

Undergo firstpass hepatic metabolism

Answer 49

Lidocaine

Question 50

Lidocaine toxicity

Answer 50

Neurologic symptoms

Question 51

Orally active weak b blocking activity supraventricular arrythymia

Answer 51

Propafenone

Question 52

Phenothiazine derivative orally active withdrawn in US

Answer 52

Moricizine

Question 53

Class II

Answer 53

Propranolol, Esmolol

Question 54

B adrenoreceptor blockade

Answer 54

Propranolol

Question 55

Propranolol duration

Answer 55

4-6hrs

Question 56

Propranolol toxicity

Answer 56

Asthma, AV blockade, acute heart failure

Question 57

Short acting IV only use for intraoperative

Answer 57

Esmolol

Question 58

Class 3

Answer 58

Amiodarone (Cordarone)

Question 59

Class 3 halflife

Answer 59

40-50days

Question 60

Amiodarone toxicity

Answer 60

Hyperthyroidism Stiffening of the lungs Corneal deposits Bluish discoloration of nail

Question 61

Use in serious ventricular and supraventricular arrthymias

Answer 61

Amiodarone

Question 62

Investigational

Answer 62

Vernakalant

Question 63

Amiodarone derivative reduce mortality

Answer 63

Dronedarone