Intravascular blood pumps and methods of manufacture and use

A catheter blood pump, comprising:

• an elongate shaft;
• an expandable pump portion extending distally from the elongate shaft, the pump portion including:
• an expandable impeller housing including an expandable blood conduit that defines a blood lumen between an inflow region and an outflow region;
• at least one impeller disposed at least partially within the blood lumen;
• a sensor wire secured to the expandable impeller housing and extending from a proximal end of the expandable impeller housing to a distal end of the expandable impeller housing;
• a distal sensor coupled to the sensor wire and disposed distal to a distal end of the expandable blood conduit;
• and
• a proximal sensor disposed near the outflow region.