Effect of doxapram on respiratory and circulatory systems of dogs

Dogs (including deep anesthesia models, spinal dogs, cardiopulmonary preparations, and hindlimb perfusion preparations)

Doxapram (intravenous injection, continuous intravenous infusion, or intra-arterial injection)

Respiratory and circulatory effects (blood pressure, respiratory rate and depth, blood gas partial pressures, heart rate, cardiac output, and blood flow)surrogate