ECG Part 2

Question 1

What does “sinus” indicate?

Answer 1

Presence of P, QRS, and T waves

Question 2

What is sinus rhythm?

Answer 2

Normal rhythm, P wave 0.12-0.20, QRS 0.12

Question 3

What is Sinus Tachycardia?

Answer 3

> 100 bpm

Question 4

What causes Sinus Tachycardia?

Answer 4

1. Caffeine
2. Grave’s Disease (hyperthyroidism)
3. Stress/anxiety

Question 5

What is the DOC for Sinus Tachy?

Answer 5

1. Beta Blockers
2. Calcium CB
3. Vagal stimulation

Question 6

What is Sinus Bradycardia?

Answer 6

< 100 bpm

Question 7

What causes Sinus Brady?

Answer 7

1. Myxedema coma (hyothyroidism)
2. Aging
3. Normal in athletes
4. Digoxin, Beta Blockers, Calcium CB

Question 8

What is the DOC for Sinus Brady?

Answer 8

1. Atropine Sulfate
2. Pacemaker

Question 9

What are the indications that a pacemaker is failing?

Answer 9

1. Hiccups
2. Headache
3. Light headedness

Question 10

What is atrial flutter?

Answer 10

Absent P waves, regular QRS intervals

Question 11

What is the description of atrial flutter?

Answer 11

Sawtooth appearance

Question 12

What is the DOC for atrial flutter?

Answer 12

PAQ

1. Procainamide
2. Aspirin / thrombolytics
3. Quinidine

Question 13

What is atrial fibrilation?

Answer 13

Absent P waves, irregular QRS intervals

Question 14

What is the description of afib?

Answer 14

Quivering appearance

Question 15

What is the DOC for afib?

Answer 15

PAQ

Question 16

What is supraventricular tachycardia?

Answer 16

P waves are invisible, QRS waves are narrow

Question 17

What is the DOC for SVT?

Answer 17

Adenosine

Question 18

What is the initial dose of adenosine? The second dose?

Answer 18

6 mg, 12 mg

Question 19

How is adenosine administered?

Answer 19

IV Push, followed with 20 cc of PNSS

Question 20

How long should you observe the patient for after each dose of adenosine?

Answer 20

1-2 minutes

Question 21

What is the next step if adenosine does not treat SVT?

Answer 21

Synchronized Cardioversion

Question 22

What is monomorphic vtach?

Answer 22

Absent waves, uniform

Question 23

What is polymorphic vtach?

Answer 23

Absent waves, non-uniform

Question 24

What is the DOC for monomorphic vtach with pulse?

Answer 24

Lidocaine

Question 25

What is the DOC for polymorphic vtach with pulse?

Answer 25

Magnesium sulfate

Question 26

What causes polymorhic vtach?

Answer 26

Hypomagnesemia

Question 27

What is another name for polymorphic vtach?

Answer 27

Torsades de Pointes

Question 28

What is the DOC for vtach without pulse?

Answer 28

CIDEA

1. Code
2. Initiate CPR
3. Defibrilation
4. Epinephrine
5. Amiodarone

Question 29

What is Vfib?

Answer 29

Absent waves, irregular, no form at all

Question 30

What is the DOC for Vfib?

Answer 30

CIDEA

Question 31

What is the indication for heart blocks?

Answer 31

Prolonged PR interval

Question 32

What is the indication for 1st degree HB?

Answer 32

Equal number of P and QRS waves

Question 33

What are the two types of 2nd degree HB?

Answer 33

1. Mobitz
2. Wenchebach

Question 34

What is the indication for Mobitz?

Answer 34

More P waves than QRS waves

Question 35

What is the indication for Wenchebach?

Answer 35

Evidence of a restart (normal PR interval)

Question 36

What is the 3rd degree heart block?

Answer 36

Total Heart Block

Question 37

What is the management of Heart Blocks?

Answer 37

1. Atropine
2. Bypass

Question 38

When are premature ventricular contractions reportable?

Answer 38

1. 3 PVCs in one row
2. 6 PVCs in one minute

Question 39

What is the DOC for PVC?

Answer 39

Lidocaine