Innocent murmurs

• What are the two types of innocent murmur?

  Venous hums

  Still's murmur
• WHat causes venous hums?


  Turbulent blood flow in the great veins -> heart
• Where is the best place to hear a venous hum?


  Below the clavicles
• What kind of noise does a venous hum make?


  Continuous blowing noise
• What does Still's murmur sound like?


  Low pitched
• Where is Still's murmur hear best?


  Lower left sternal edge
• WHat are some characteristics of an ennocent ejection murmur?


  Soft blowing murmur in pulmonary area or short buzzing in aortic area