Dr./Patient privilege!
Inadmissible!
No privilege if the statement was made in the presence of a third party who is not part of the physician's health care staff.
If he knowingly made the statement to his doctor in the presence of a third party, the physician is still bound to confidentiality, but the third party is not.
Is what Armstrong waived when he had a conversation with his doctor in front of his friends.
Let that be a lesson, confidentially is waived when you say something to a doctor/lawyer/priest in the presence of other non-privileged parties (generally).