title: The definition of critical ischemia of the lower limb and distal systolic pressures.
mesh_terms: D000842:Ankle / Q000098:blood supply; D001795:Blood Pressure Determination; D006801:Humans; D007511:Ischemia / Q000175:diagnosis*; D007866:Leg / Q000098:blood supply*; D013599:Systole; D014034:Toes / Q000098:blood supply