Arrhythmias Flashcards
1
Q
Sinus arrest can lead to syncope…. what will a sinus arrest look like on an ECG
A
A pause of two or more R-R intervals
2
Q
Three causes of Sinus arrest (heart stops working)
A
- Increased vagal tone (brachycephalic)
- Sick sinus
- Drug overdose
3
Q
Sinus tachycardia rates
A
Cats: >240
Puppy: >220
Small dog: >180
Larger dogs: >140
4
Q
Causes of sinus tachycardia (6) FEAR + pH
A
- Fever
- Excitement
- Anemia
- Reduced cardiac output
- Pain
- Hyperthyroidism
