Lecture 10 - Arrhythmia Flashcards
1
Q
Arrhythmia
A
Abnormal heart rate or rhythm
Heart beats too quickly, too slowly, or with an irregular pattern.
2
Q
A
3
Q
Rate
A
distance between the consecutive QRS complexes are altered
4
Q
Rhythm
A
regularity or spacing of the ECG waves are altered
5
Q
A
6
Q
Abnormalities in Rate
A
Tachycardia
Bradycardia
7
Q
A
8
Q
A
9
Q
Regular rhythm
A
Coordination between atrial & ventricular contractions
10
Q
Irregular rhythm
A
Contractions may no longer be coordinated
11
Q
A
12
Q
A
13
Q
A
14
Q
A
15
Q
A
16
Q
A
17
Q
A
18
Q
Arrhythmias:
Symptoms
A
- Palpitations (feeling of pounding heart)
- Dizziness
- Fainting (syncope)
- Shortness of breath
19
Q
Arrhythmias:
Treatment
A
- Medication – reduce heart rate
- Anticoagulation drugs – blood clots
- Pacemakers
- Implantable defibrillators
20
Q
Cardiac arrest
A
Cessation of all electrical signals in the heart
* Can happen during anesthesia
* Myocardial disease or arrhythmias
* CPR
* Electrical defibrillation
* Pacemaker
