- Name the syndrome in which there are short PR intervals with normal QRS complexes in tachycardia.
Lown-Ganong-Levine syndrome
- What is the alternate name of bicuspid valve?
Mitral valve
- Where is the tricuspid valve located?
Junction of right atrium and right ventricle
- What is the normal duration of isovolumetric ventricular contraction?
0.05 s
- What is the pressure in the aorta during ventricular diastole in a normal adult?
80 mm Hg
- Why does the heart rate increase if a person is having fever?
Increase in temperature stimulates the SA node to increase the heart rate
- What is the normal end-diastolic ventricular volume?
120 – 130 mL
- What is the end-systolic ventricular volume?
50 – 70 mL
- What is the ejection fraction of a normal adult?
55 – 65%
- What happens to the heart rate when the sympathetic nerves to the heart are cut?
No change in HR (due to the resting of vagal tone)
(Physiology; UMS 2008)
No comments:
Post a Comment