Age dependence of ultrasonically induced lung hemorrhage in mice.

  title={Age dependence of ultrasonically induced lung hemorrhage in mice.},
  author={Diane Dalecki and Sally Z Child and Carol H Raeman and Christopher Cox and David P. Penney and Edwin L. Carstensen},
  journal={Ultrasound in medicine & biology},
  volume={23 5},
Thresholds for ultrasonically induced lung hemorrhage were determined in neonatal mice (24-36 h old), juvenile mice (14 d old) and adult mice (8-10 weeks old) to assess whether or not the threshold for lung hemorrhage is dependent upon age. Ultrasonic exposures were at 1.15 MHz with a pulse length of 10 microseconds, pulse repetition frequency of 100 Hz and a total exposure duration of 3 min. The threshold for lung hemorrhage occurred at a peak positive acoustic pressure of approximately 1 MPa… CONTINUE READING

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