Perez v Riverdale Family Med. Practice, P.C., 2019 NY Slip Op 08514 (!st Dept. 2019)
” Plaintiffs’ expert failed to profess personal knowledge of the standard of care in the field of emergency medicine, whether acquired through practice, studies or in some other manner (see Nguyen v Dorce, 125 AD3d 571, 572 [1st Dept 2015]). In any event, the expert offered only conclusory assertions and mere speculation that decedent’s aortic dissection would have been successfully diagnosed and treated had NYPH referred her for a pulmonary or cardiac consult”