Arrhythmias

Question 1

Any disturbance in the rate, regularity, site of origin, or conduction of the cardiac electrical impulse

Answer 1

arrhythmia

Question 2

Not all arrhythmias are dangerous. True or false?

Answer 2

true

Question 3

Symptoms of arrhythmias: (5)

Answer 3

PASS with a C

• palpitations
• syncope
• angina
• CHF
• sudden death

Question 4

Causes of arrhythmias:

HIS BEDS

Answer 4

• hypoxia
• ischemia
• sympathetic stimulation
• drugs
• electrolyte disturbances
• bradycardia
• stretch

Question 5

What lead yields the most information?

Answer 5

Lead II

Question 6

What is an ambulatory monitor that a patient wears for 24-48 hours?

Answer 6

holter monitor

Question 7

This is better for rhythm disturbances that happen infrequently. It records 3-5 min of data when the patient experiences symptoms.

Answer 7

event monitor

Question 8

To calculate heart rate, count the # of r waves in a ___ second strip then multiply by 10

Answer 8

6

Question 9

Assess the P waves:

Answer 9

• Are there P waves?
• Do they look alike?
• Do they occur regularly?
• Is there 1 P wave before each QRS?

Question 10

Normal QRS complex duration:

Answer 10

0.04 - 0.12 seconds

Question 11

Types of arrhythmias (4)

Answer 11

arrhythmias of sinus origin

ectopic rhythms

conduction blocks

preexcitation syndromes

Question 12

What rhythm is commonly seen in CHF?

Answer 12

sinus tachycardia

Question 13

Normal but slightly irregular

Answer 13

sinus arrhythmia

Question 14

Inspiration decelerates HR. True or false?

Answer 14

false

Question 15

Answer 15

Sinus arrest

Question 16

When other myocardial cells spring into action and take over pacing:

Answer 16

escape beat

Question 17

What is the treatment of asystole?

Answer 17

CPR

EPI

Question 18

Atrial foci non sinus pacemakers ___ to ___ BPM

Answer 18

60 to 75

Question 19

Junctional foci AV node BPM is

Answer 19

40-60

Question 20

Answer 20

junctional escape rhythm

No P waves

Most common escape rhythm

Question 21

Rate = ___ to ____ BPM

How to slow or terminate this rhythm?

Answer 21

paroxysmal supraventricular tachycardia

150-250

carotid massage

Question 22

Does carotid massage increase/decrease block?

Answer 22

atrial flutter

increases

Question 23

Does carotid massage increase/decrease block?

Answer 23

atrial fibrillation

decreases ventricular rate

Question 24

Does carotid massage increase/decrease block?

Answer 24

multifocal atrial tachycardia

no effect

has at least 3 different p wave morphologies

Question 25

Note QRS is wide and bizarre

Answer 25

PVC Bigeminy = 1 nl beat to 1 PVC Trigeminy = 2 nl beats to 1 PVC

Question 26

When to worry about PVCs:

Answer 26

* frequent * run of 3 or more in a row * PVCs falling on the t wave * any PVC occurring in the setting of an acute myocardial infarction

Question 27

Run of 3 or more PVCs is called: rate is ___ - ____ BPM

Answer 27

ventricular tachycardia 120-200

Question 28

Seen in dying hearts no true QRS complexes no cardiac output

Answer 28

ventricular fibrillation

Question 29

Gold standard of treatment of arrhythmia is placing an

Answer 29

ICD

Question 30

Arrhythmias of sinus origin: (6)

Answer 30

* sinus tach * sinus brady * sinus arrhythmia * sinus arrest * asystole * junctional escape rhythm

Question 31

Ventricular foci ___ to \_\_\_BPM

Answer 31

20-40