PFO would've been discovered in her pre-South Pole physical exam.
Deep vein thrombosis plus an existing PFO.
But not clots. What causes blood clots? Not without a fEver.
But not clots. What causes blood clots? Not without a fEver. [SEP] Deep vein thrombosis plus an existing PFO. [SEP] PFO would've been discovered in her pre-South Pole physical exam.