Human Diseases L3: CVD 3 Cardiac Arrhythmia

Question 1

due to the irregular contraction if the atria it increases the risk of developing a ……….. the irregular atria increases the development of ………….. which can then be displaced to the systemic region of the body

Answer 1

stroke

blood clots

Question 2

which is the most common cardiac arrhythmia, particularly in the elderly

Answer 2

atrial fibrilation

Question 3

what event is occuring in the ECG

Answer 3

Supraventricular tachycardia (SVT)

Question 4

heart rate below 60 bp/m is refered to as bradyarrhythmia. however symptoms are shown when heart rate drops below what

Answer 4

40 bp/m

Question 5

which wave determines ventricular depolarisation

Answer 5

QRS wave

Question 6

unpleasant - fast heart rate

palpitations

chest pain

breathless

the above symptoms best describe which cardiac arrhythmias

Answer 6

tachyarrhythmias

Question 7

which drug blocks the AV node temporarily

Answer 7

adenosine

Question 8

what approach would you have to take if someone with a pacemaker or any underlying heart conditions collapses during dental treatment

Answer 8

A,B,C,D,E approach

Question 9

which wave determines ventricular repolarisation

Answer 9

T wave

Question 10

what are the treatment options for ventricular fibrilation/tachycardia

Answer 10

drugs

ICD (Implantable cardioverter defibrilator)

Question 11

tachyarrhythmias refer to when your heart beats are what?

Answer 11

too fast

Question 12

is it normal to exibit no symptoms with a arrhythmia

Answer 12

yes

Question 13

the atrial contraction of a sinus rhythm begins at the …………..

Answer 13

SA (sinoatrial) node

Question 14

electrical signals travel from the AV node via the ………………. and spread throughout the ventricles via the ………………………..

Answer 14

bundle of his

purkinje fibers

Question 15

what event is occuring in the ECG

Answer 15

ventricular tachycardia

Question 16

which particuylar drug can result in bradyarrhythmia

Answer 16

beta blockers

Question 17

in a ECG, what would you expect to see with someone with atrial fibrilation

Answer 17

irregular spread

irregular beats

Question 18

a particular symptom of cardiac arrhythmias is a fluttering feeling in the chest. this is best known as having …………………

Answer 18

palpatations

Question 19

what is done in the valsalva manoeuver (vagal manoeuver)

Answer 19

hold nose, breath out hard through mouth

Question 20

which is the most fatal of all the arrhythmias

Answer 20

ventricular arrhythmias

Question 21

bradyarrhythmia refers to when your heart beats too what

Answer 21

too slow

Question 22

of the vagal manoeuvers which manoeuver can only be done with a doctor

Answer 22

carotid sinus massage

Question 23

patients who are suffering frim atrial fibrillation should be on what particular drugs if no contraindications are present.

give common examples of the drugs

Answer 23

anticoagulants

warfarin, heparin, rivaroxaban, apixaban

Question 24

treatments for bradyarrhythmias usually requires the removal of the underlying cause which is often drugs. what are the treatment option can help regulate the hear beat

Answer 24

pacemaker

Question 25

fibrilation is defined as wobbling, uncoordinated activity. which chamber does atrial fibrilation affect

Answer 25

atria

Question 26

what is term given for the sudden onset of supraventricular tachycardia

Answer 26

paroxysmal supraventricular tachycardia

Question 27

abnormal cardiac rhythm ranges from

1. irregular beats
2. too fast >100/minute
3. too slow <60/minute
4. abnormal beat conduction

what is term used for abnormal cardiac rhythm

Answer 27

Arrhythmia

Question 28

electrical signals and depolarisation from the SA node travels to the ventricular wall to the ……………

Answer 28

AV (atriventricular) node

Question 29

which wave determines atrial depolarisation

Answer 29

P wave

Question 30

normal cardiac rhythm is also known as

Answer 30

sinus rhythm

Question 31

what event is occuring in the ECG

Answer 31

bradycardia