Conducting System Of The Heart Flashcards
1
Q
What are the early pace makers of the heart formed from?
A
Primordial atrium and sinus venosus
2
Q
When does the sinoatrial node form?
A
Week 5
3
Q
Where does the atrioventricular node and bundle of his develop from?
A
They develop from cells of the atrioventricular canal and sinus venosus
4
Q
What can abnormality of conducting tissue cause?
A
SIDS - sudden infant distress syndrome (cot death)