This animation shows one of the rotor blades before and after the #MarsHelicopter's 72nd landing. The fact that the image with the broken blade had to shrink and change perspective so much to match the other one is an indication of the RTE camera being much closer to the ground after landing 72.
The helicopter was already out of sight and at a distance of ~1km, as seen in the map below. There is an obstructing mound about midway that rises 13m above the line-of-sight, which might be the reason for the loss of signal. Despite that, assuming Ingenuity's landing software worked as usual, the helicopter may be in good health, but