A site for medical students - Practical,Theory,Osce Notes

What are the causes of low volume pulse?

Low volume pulse is also called as pulsus parvus with pulse pressure <30 mm of Hg
Low volume pulse is seen in the following conditions
  • Shock due to any cause eg. acute myocardial infarction, massive haemorrhage, hvpovolacmia.
  • Severe aortic stenosis.
  • Tight mitral stenosis.
  • Pericardial effusion.
  • Constrictive pericarditis.
  • Congestive cardiac failure.
What is thready pulse?

This a low volume pulse with rapid pulse rate. This pulse is seen in peripheral circulatory failure. Example is cardiogenic shock.