Redo all the tests. In the meantime, open him up, put in a defibrillator so he can live long enough for you to finish the tests.
That's perManent and risky. We don't Even know what, if anything, is wrong with his heart.
Loss of balance. Pathological hiccups. Air leak between the lungs. Broken femur. Now tachycardia. Go!  Fine. Open him up and put in a defibrillator.
Loss of balance. Pathological hiccups. Air leak between the lungs. Broken femur. Now tachycardia. Go!  Fine. Open him up and put in a defibrillator. [SEP] That's perManent and risky. We don't Even know what, if anything, is wrong with his heart. [SEP] Redo all the tests. In the meantime, open him up, put in a defibrillator so he can live long enough for you to finish the tests.