Ronald Wasser may have ingested up to 140 pills the day his wife was shot, a doctor testified on Friday.

Wasser, 48, of Riverview, is on trial for attempted murder.

He is accused of trying to kill his estranged wife with a shotgun on May 29, 2013 — the day after what would have been the couple's 25th wedding anniversary.

Norma Wasser, the estranged wife of Ronald Wasser, and her two sons

Norma Wasser, the estranged wife of Ronald Wasser, and their two sons, leave the Moncton courthouse on Friday. (CBC)

Dr. Jacques Albert was working in the emergency department at the Moncton Hospital when Norma Wasser, 49 was brought in.

She was shot in the left arm and was in a lot of pain, Albert told the judge and jury at Moncton Court of Queen's Bench.

Her arm was pale, she couldn't move her fingers or feel him pinching her, he said.

Albert called for a vascular surgeon to take over her care and was then told another patient, Ronald Wasser, was coming in with suspected drug overdose.

Over the course of a couple of hours, Wasser went from being sleeping to requiring a breathing tube, said Albert.

An internal medicine specialist was eventually called in to take over Wasser's care, Albert said.

Wasser was evasive about what he had taken, but emergency responders found several pill bottles on his bedroom dresser and brought them to the hospital, Albert testified.

Bottle of tranquilizers empty

Nurses told him there were a lot of pills missing, he said. A bottle of Seroquel, which is used to treat mental disorders, was empty.

Earlier this week, a toxicologist described Seroquel as a "major tranquilizer," used to treat schizophrenia and bipolar disorder. Taking too much could affect a person's central nervous system and could cause death, Christopher Keddy had said.

Albert believes Wasser took the pills not long before he arrived at the hospital and could have taken as many as 140, he said.

Under cross-examination, Albert admitted he did not prepare a report about how many pills Wasser had ingested.

The Wassers were in the process of getting a divorce and Ronald Wasser had been ordered by the courts to move out of their Kerry Court home by noon on the day of the shooting, the court previously heard.

Wasser was arrested on May 31 after being discharged from the hospital and has been in custody since then after being denied bail.

He is also charged with discharging a firearm at Norma Wasser with the intent to wound or endanger her life, assault with a weapon, assault causing bodily harm, aggravated assault, and possession of a weapon for a dangerous purpose.

The Crown wrapped up its case on Friday, after a week of testimony.

It's unclear whether the defence will call any witnesses when the trial resumes on Monday.