Experienced ambulance Experienced ants provided better resuscitation by manual closed chest cardiac massage than with four mechanical appliances now available, a recent Baltimore study indicates.
The first moments of emergency massage often are entrusted to paramedical personnel or inexperienced interns on the ward, John W. Pearson, MD, pointed out.
It therefore was decided to compare resuscitation performance as performed with various methods by such persons, he reported at the recent International Anesthesia Research Society sessions in Miami Beach.
Ten full-time members of the Baltimore County Fire Bureau ambulance division participated in the resuscitation efforts on "Resusci-Anne" a specially instrumented mannikin.
The four instruments, encompassing essentially different designs, were used in addition to the normal method. The appliances:
A lever-operated plunger used in conjunction with mouth-to-mouth lung expansion by the attendant;
Another hand-operated lever device which delivered compression to the heart on the downward movement and air through a