Adult Bradycardia

Question 1

When should care be escalated to MICA in Bradycardia Patients?

Answer 1

If the pt is Unstabel
- Less than Adequate perfusion
- Profound Bradycardia (HR < 40) and APO
- Runs of VT or Ventricular Escape rhytms
- HR <20

Question 2

What are some Managements MICA may do in Bradycardia

Answer 2

• Atropine
• Adrenaline Infusion
• Transthoracic pacing

Question 3

What is the normal pathyway of Bradycardia ?

Answer 3

• Vagus Nerve (Cranial Nerve x)
• Stimulated by carotid sinuses or other stimuli
• Sends messages to SA and AV node
• Release Acetylcholine which binds to the SA and AV nodes
• Increases Threshold potential
• Decreases Heart Rate

Question 4

What heart rate is defined as Bradycardic?

Answer 4

• <60 beats per minute

Question 5

What is the inherit rates of pacemaker cells?

Answer 5

• SA Node (60-100)
• Atria (<60)
• AV node (40-60)
• Ventricles (20-40)