Arrhythmias

Question 1

AV block

Answer 1

increased PR interval

Question 2

Second degree AVB Type I

Answer 2

PR interval delay increases until a QRS complex is dropped

Question 3

Other names for second degree AVB type I

Answer 3

Mobitz I, Weckebach

Question 4

Second degree AVB Type II

Answer 4

no progressive delay, dropped QRS occurs in a 2:1 or 4:1 ratio

Question 5

Third degree AVB

Answer 5

Complete disassociation between SA node and ventricles

Question 6

Treatment for SVT

Answer 6

vagal x 2
adenosine
SCV p.217

Question 7

Post arrest survival rate

Answer 7

3-10%

Question 8

Defibrillation amounts

Answer 8

2j /kg
4j /kg
>4-10 j /kg

Question 9

How often do you reassess rhythms?

Answer 9

After 2 min of CPR p.236

Question 10

Criteria for terminating code

Answer 10

ETCO2 <10mm/hg after 20 min of CPR

Question 11

To what temp. do you actively rewarm

Answer 11

> 32 C p.242

Question 12

Goals for PCAS

Answer 12

preserve neurological function, minimize organ injury

Question 13

Brain effects from PCAS

Answer 13

impaired blood flow
edema
neuron degenertion

Question 14

Heart effects from PCAS

Answer 14

muscle dysfunction
low CO

Question 15

Five Systemic effects of PCAS

Answer 15

tissue 02
inflammation
^ coagulation
adrenal suppression
increased infection rate p.246

Question 16

How is PCAS myocardial dysfunction treated

Answer 16

fluids and inotropes

Question 17

Adequate urine output

Answer 17

1.5-2 ml/kg infant/child
1 ml/kg adolescents

Question 18

How often does seizure occur in ROSC patients

Answer 18

15%

Question 19

What level on temp rise increases mortality

Answer 19

1 degree C

Question 20

Hypothermia temp. goals

Answer 20

32-34C 89-93.2 F p.254

Question 21

How can hypothermia effect metabolism

Answer 21

reduces insulin sensitivity, increasing BGL

Question 22

Location of fingers for child CPR

Answer 22

just below nipple line

Question 23

Location of encircling thumbs

Answer 23

just below nipple line

Question 24

What is the most common SYMPTOMATIC pedi arrhythmia?

Answer 24

SVT p. 211

Question 25

Differences between ST and SVT

Answer 25

ST <180 bpm, p waves present
SVT >180 bpm no P waves present

Question 26

Drug of choice for stable VT of SVT w/A?

Answer 26

Adenosine 0.1mg/kg (MAX 6mg) p. 218

Question 27

Treatment for stable bradycardia?

Answer 27

Identify cause and treat (Hs/Ts) p. 219

Question 28

Treatment for UNSTABLE bradycardia?

Answer 28

1. CPR x 2 min.
2. Epi 0.01mg/kg Q 3-5 min
3. Atropine 0.02 mg/kg Q 3-5 min p. 219
4. Pacing

Question 29

Treatment for stable narrow complex tach?

Answer 29

1. Vagal x 2
2. Adenosine 0.1mg/kg (max 6 mg) may repeat at 0.2mg/kg
3. SCV at 1j/kg
4. Consider Amiodarone 5mg/kg or Procainamide 15mg/kg both over 30 minutes p.219

Question 30

Measurement criteria for narrow complex tach

Answer 30

QRS = 0.09 s p.223

Question 31

Measurement criteria for wide complex tach

Answer 31

QRS >/= 0.09 s p.223

Question 32

Treatment for unstable tach (narrow or wide?

Answer 32

1. Adenosine 0.1mg/kg (max 6mg) , may repeat at 0.2mg/kg
2. SCV at 1j/kg

Question 33

Major cause of asystole?

Answer 33

respiratory failure p. 226

Question 34

Major cause of PEA?

Answer 34

hypoxia and hypovolemia p.226