Unit 6B

Question 1

What is bradydysrhythmias?

Answer 1

Less than 60 bpm
O2 demand is decreased

Question 2

What is tachydysrthythmias?

Answer 2

Greater than 100 bpm
Are serious because they shorten the diastolic time
Can lead to heart failure

Question 3

What are causes of tachycardia?

Answer 3

Drugs (cocaine, caffeine, nicotine, alcohol)
Physical activity
Response to decreased cardiac output or blood pressure

Question 4

What are interventions for tachycardia?

Answer 4

Bedrest
Treat underlying cause

Question 5

What causes bradycardia?

Answer 5

Vagal stimulation (carotid massage, vomiting, suctioning, Valsalva maneuvers, or pain)

Question 6

What treats bradycardia?

Answer 6

Atropine 1mg IVP
Increase fluids and O2
Give glucagon if caused by beta-blocker

Question 7

What are causes and treatment of A-fib?

Answer 7

Caused by age
Risk of throwing clots
Treatment: ECG, control rhythm, Coumadin, Lovenox, report signs of bleeding and bruising to HCP

Question 8

What are causes and interventions of SVT?

Answer 8

Causes: age, pregnancy, hx of heart disease
Treatment: ECG, vagal maneuvers, Adenosine 6 mg IVP then 12 mg IVP

Question 9

What are causes and interventions of V-tach?

Answer 9

Causes: MI, HF, drug toxicity, hypotension, cocaine, inhalants
Treatment: ABCs, O2 administration, cardioversion or defib

Question 10

What are causes and interventions for v-fib?

Answer 10

Causes: CAD, MI, low K+ and Mg+, trauma
Treatment: defibrillate, CPR, epinephrine 1mg IVP

Question 11

What is done for a patient in asystole?

Answer 11

Check for pulse 5-10 seconds
Start CPR
Maintain airway
Defibrillate if ECG starts to read stuff