15 - Adult - Cardiac Rhythm Thinking Pts

Question 1

What equipment MUST be in place for the administration of adenosine?

Answer 1

Fast-patches and 12-lead

• fast patches in case the patient converts to VF
• 12-lead to obtain post-chemical cardioversion 12-lead ECG

Question 2

What is the MOA of clonidine?

Answer 2

Clonidine is an alpha-2 agonastic, specifically targeting the alpha-2 receptors in the brains team. These decrease peripheral vascular resistance, preventing Ca2+ release, and therefore reducing release of norepinephrine.

Question 3

T/F: Assessment of the narrow complex tachycardia patient must include diet.

Answer 3

True.

Why is that so?

Question 4

What are serious signs/symptoms of the narrow complex tachycardia patient?

Answer 4

• narrow complex tachycardia on ECG (under 0.12 sec QRS width)
• conscious, but with rapid pulse
• chest pain/SOA
• dizziness
• HR between 150-180

Question 5

A narrow complex tachycardia with a rate under ____ is a relative contraindication for adenosine administration.

A. 120
B. 150
C. 180
D. 200

Answer 5

B. 150

These patients, if symptomatic, should have medical control contacted.

Question 6

What is considered a “stable” adult bradycardia patient?

Answer 6

One who has a heart rate under 60 BPM, but:

• is awake
• is oriented
• has P/W/D skin
• SBP over 100 mmHg

Question 7

What is considered an unstable bradycardia?

Answer 7

• HR under 60
• Chest pain
• Dizziness
• Diaphoresis
• PVCs present
• SBP under 100 mmHg
• AMS/ALOC