Heart dysrhythmias

Question 1

NSR
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 1

Rate: 60-100
Rhythm: regular
P wave: present
PR interval: 0.12-0.20
QRS: normal

Question 2

Treatment for NSR

Answer 2

Nothing

Question 3

Sinus bradycardia
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 3

Rate: 40-60
Rhythm: regular
P wave: present
PR interval: 0.12-0.20
QRS: normal

Question 4

Treatment for sinus bradycardia

Answer 4

Atropine 0.5mg IVP q3mins to max 3mg

Question 5

Sinus tachycardia
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 5

Rate: 100-160
Rhythm: regular
P wave: present
PR interval: 0.12-0.20
QRS: normal

Question 6

Treatment of sinus tachycardia

Answer 6

Vagal maneuvers
Beta Blockers

Question 7

Sinus arrhythmia
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 7

Rate: 60-100 (could be brady)
Rhythm: irregular
P wave: present
PR interval: 0.12-0.20
QRS: normal

Question 8

Treatment for Sinus arrhythmias

Answer 8

Nothing

Question 9

Atrial flutter
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 9

Atrial Rate: 250-400
Rhythm: regular or irregular
P wave: Sawtoothed
PR interval: N/A
QRS: normal

Question 10

Treatment for atrial flutter

Answer 10

Ca channel blockers or cardioversion

Question 11

Atrial fibrillation
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 11

Rate: Atrial 400+
Rhythm: irregular
P wave: none
PR interval: N/A
QRS: normal

Question 12

Treatment for atrial fibrillation

Answer 12

Ca channel blockers or cardioversion

Question 13

Supraventricular Tachycardia PSVT
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 13

Rate: 140-250
Rhythm: Regular
P wave: none
PR interval: N/A
QRS: normal

Question 14

Treatment for PSVT

Answer 14

Vagal maneuver
Adenosine
Cardioversion

Question 15

Ventricular tachycardia
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 15

Rate: regular
Rhythm: 100-250bpm
P wave: none
PR interval: N/A
QRS: wide, w/ consistent width and amplitude

Question 16

Treatment for V tach

Answer 16

Stable w/ pulse: amiodarone
Unstable w/ pulse: cardioversion
Pulseless: Defibrillation, CPR, epinephrine 1mg IVP q3min

Question 17

Ventricular Fibrillation
Rate:
Rhythm:
P wave:
PR interval:
QRS:

Answer 17

Rate: chaotic
Rhythm: N/A
P wave: none
PR interval: N/A
QRS: absent

Question 18

Treatment of Vfib

Answer 18

Defibrillation, CPR, epinephrine 1mg IVP q3min

Question 19

NSR with Premature atrial contraction (PAC)

Answer 19

NSR but with Premature beat

Question 20

NSR with Premature ventricular contraction (PVC)

Answer 20

NSR but with premature beat that is wide and distorted

Question 21

Treatment for PAC

Answer 21

Typically none, if frequent check electrolytes

Question 22

Treatment for PVC

Answer 22

Typically none, if frequent check electrolytes
May need antiarrhythmic (amiodarone or lidocaine)

Question 23

Causes of PAC

Answer 23

Benign
Lytes
About to be A Fib
Cardiac stimulants
Stress

Question 24

Causes of Afib

Answer 24

Underlying heart disease
Lytes
hypoxia
cardiac surgery

Question 25

Causes of A flutter

Answer 25

Underlying heart disease lytes

Question 26

Causes of PSVT

Answer 26

Digitalis toxicity Heart disease Overexertion EMotional stress stimulants

Question 27

Causes of PVCs

Answer 27

Stimulants lytes hypoxia CVD fever exercise stress

Question 28

Causes of v tach

Answer 28

MI CAD significant lytes HF drug toxicity

Question 29

Causes of V fib

Answer 29

no cardiac output, life threatening