The estate of a man who died after receiving a dose of an anesthetic to prepare him for surgery has settled its medical-malpractice suit for $3.6 million.Alberto Mendez’s estate sued Mount Sinai Hospital and several physicians who treated him during his emergency room visit in 2013, alleging their failure to properly monitor his condition led the anesthesiologist to administer the wrong kind of anesthetic, causing his death.Mendez visited Mount Sinai Hospital in June 2012 complaining of severe pain in his thighs and …