Dysrhythmias Flashcards
(27 cards)
What is the diagnostic test used to determine electrical activity and heart rhythms
Electrocardiogram (EKG)
What is the main goal when caring for a patient with a heart dysrythmia
Regulate the heart rate
What is normal P-R interval
.12-.20
What does the P wave indicate
Atrial Depolarization(Contraction)
What does the QRS wave indicate
Ventricular Depolarization (Contraction)
What does the T wave indicate
Repolarization
What is going on in the heart during each of these waves
Atrial Contraction/Ventricular contraction/ repolarization
What is the sequence of events to follow when out in public and someone collapses
Check pulse
start CPR
What is the most important component of BLS to maintain
Compressions
What piece of equipment should the rescuer ask for
AED
What are characteristics of normal sinus rhythm
P wave before QRS
What are the characteristics of sinus bradycardia
Pulse less than 60
What is a common medication given with symptomatic bradycardia
Atropine
What are characteristics of sinus tachycardia
Pulse greater than 100
What are causes of sinus tachycardia
exercise, pain, anxiety, fear, shock, stimulants
What are characteristics of atrial flutter
Several P waves before QRS
What medication should all clients with atrial fibrillation be taking
Warfarin
What blood test should be monitored for warfarin
INR
What is the normal INR range?
2-3
What is the antidote for warfarin if the level is too high
Vitamin K
What are symptoms of premature ventricular contractions (PVC)
palpitations, fatigue, dizziness, fluttering in chest
Prior to defibrillation what is the most important safety factor
Nobody’s touching the person
What should the nurse say prior to defibrillation
All clear
What are the only 2 rhythms that can be defibrillated
V-tach
V-fib
