16: Anatomy - differential diagnosis of central chest pain Flashcards Preview

Cardiovascular Week 1 & 2 2016/17 > 16: Anatomy - differential diagnosis of central chest pain > Flashcards

Flashcards in 16: Anatomy - differential diagnosis of central chest pain Deck (9)
Loading flashcards...
1
Q

What does sympathetic stimulation do to the heart?

A

Increases heart rate

Increases force of contraction

2
Q

What does parasympathetic stimulation do to the heart?

A

Reduces heart rate

(note that it has no effect on force of contraction)

3
Q

How do pre-synaptic fibres reach the sympathetic chain from the brain?

A

Spinal cord

4
Q

How do post-synaptic sympathetic fibres reach the heart?

A

Splanchnic nerves

5
Q

The sympathetic innervation of the heart is (unilateral / bilateral).

A
6
Q

How do parasympathetic signals travel to the heart?

A

CN X

Vagus nerve

7
Q

What nerve exerts a continous background force on the heart to slow HR?

What is this force called?

A

Vagus nerve

Vagal tone

8
Q

What remnant of the ductus arteriosus connects the pulmonary trunk to the arch of the aorta?

A

Ligamentum arteriosum

9
Q
A