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George Floyd death live updates


Pulmonologist questions role of fentanyl in Floyd’s lack of oxygen

Renowned breathing specialist Dr Martin Tobin said Thursday that George Floyd’s breathing rate was normal before he passed out and that fentanyl “had no effect” on his respiratory centers based on his respiratory rate.

Tobin said that while Floyd was held down he still experienced a normal respiratory rate of 22. He said that if fentanyl caused depression in his respiratory centers, a 40% reduction in its frequency would be expected. respiratory.

He said if Floyd’s respiratory rate was 22, then one would expect a respiratory rate of 10 if the fentanyl had any effect.

Tobin agreed with District Attorney Jerry Blackwell that he hadn’t seen a depressed breathing rate in Floyd and that his breathing rate was normal just before he passed out.

The defense argued that fentanyl, which was found in Floyd’s system at the time of his death, and other drugs can lead to a lack of oxygen in the body as part of the defense argument. that Chauvin was not the cause of Floyd’s death.

Pulmonologist: ‘Very dangerous’ and ‘misleading’ to think ‘if you can talk, you can breathe’

Dr Martin Tobin, a renowned respiratory specialist, said Thursday that the idea of ​​”if you can talk, you can breathe” is both “very dangerous” and “very misleading”.

Tobin said that while such a statement was technically true in the sense that when a person speaks they breathe out, it also gives “a huge false sense of security.”

“Sure, the moment you speak, you breathe, but that doesn’t tell you you’re going to breathe, five seconds later,” he says.

Tobin added that by the time Floyd was immobilized on the ground and telling the police he couldn’t breathe, he still had oxygen in his brain.

“And again this is a perfect example of how it gives you a huge false sense of security because very soon after we are going to see that he has a significant loss of oxygen in the way.” he’s moving his leg, ”he added. .

Tobin said it showed how dangerous the concept of “if you can talk, you can breathe” was.

“Yes, that’s true on the surface, but very misleading. A very, very dangerous mantra to have there, ”he said.

Dr. Martin Tobin: “A healthy person subjected to what Mr. Floyd was subjected to would have died.”

Dr. Martin Tobin testified that he knew George Floyd had pre-existing medical conditions, as mentioned in his autopsy and medical records.

“Do you have an opinion with a reasonable degree of medical certainty as to whether a person who had none of these pre-existing conditions, a healthy person, would have died under the same circumstances as Mr. Floyd?” Attorney Jerry Blackwell asked him.

“Yes. A healthy person subjected to what Mr. Floyd was subjected to would be dead,” Tobin said.

The prosecution said Floyd died as a result of Chauvin kneeling on his neck. The Hennepin County Medical Examiner’s Office classified Floyd’s death as a homicide that occurred while he was being held by police.

Floyd’s cause of death was listed as “cardiopulmonary arrest complicating subdual law enforcement, neck restraint and compression”. In “other important conditions,” he said Floyd suffered from hypertensive heart disease and listed fentanyl intoxication and recent methamphetamine use.

Lung expert: Chauvin held the knee to Floyd’s neck for 3 minutes after his body ran out of oxygen

A renowned lung expert said he calculated that Derek Chauvin’s knee was on George Floyd’s neck for more than 3 minutes after “there was not an ounce of oxygen left” in his body.

Dr Martin Tobin said at 8:25 p.m. on the day of his death that Floyd had reached the point where he had no more “an ounce of oxygen in his whole body” as Chauvin continued to have his knee pressed against his neck. while he was handcuffed to the ground.

“The knee remained on the neck for another three minutes and two seconds after reaching the point where there was not an ounce of oxygen left in the body,” he added.

Breathing expert Dr Martin Tobin testifies that half of Derek Chauvin’s body weight rested on George Floyd’s neck

World-renowned breathing expert Dr Martin Tobin testified when jurors saw a photo in which Derek Chauvin’s toe is lifted slightly from the sidewalk as he kneels on George Floyd’s neck .

Tobin says that by his calculations, at one point 91.5 pounds – half of Chauvin’s body weight and half the weight of his gear – were on Floyd’s neck.

“It means his entire body weight is directed towards Mr. Floyd’s neck,” Tobin said.

Lung expert says knee on Floyd’s neck ‘extremely important’ when considering lack of oxygen

A lung expert testified Thursday morning as to why the knee on George Floyd’s neck and back was “extremely important” when you consider what caused the lack of breathing that led to his death.

Dr Martin Tobin loosened his tie, unbuttoned the top button of his shirt, and asked jurors to feel their necks as he testified as to why a knee on the neck was so important.

He said that a knee on Floyd’s neck was “extremely important because it will obstruct the air coming in through the passage.”

He presented the jurors with a demonstration of their own neck anatomy, pointing them to the hypopharynx, which he described as “vulnerable.”

“The hypopharynx is very important in understanding this case for a number of reasons. Because she is so vulnerable, because she has no cartilage around her, it will be an area that will be compressed, ”he said. “It is extremely small to breathe and it becomes very important to be able to continue to breathe.”

Tobin added that Chauvin’s knee was on this area of ​​Floyd’s neck in some places, with enough pressure to stop him breathing.

Pulmonologist: Derek Chauvin’s knee among four forces that caused shallow breathing that led to the death of George Floyd

Pulmonologist Dr Martin Tobin said Thursday he believed four forces caused George Floyd’s shallow breathing and resulted in his death.

“The main forces that are going to lead to shallow breathing are going to be that he has become inclined in the street, that he has the handcuffs in place combined with the street and then he has one knee on his neck and then that he’s got a knee across his back and to the side, “Hines said.” All of those four forces are ultimately going to result in the low tidal volume, which gives you the shallow breaths we’ve seen here. ”

The prosecution argued that George Floyd died as a result of Derek Chauvin kneeling on his neck for more than 9 minutes.

Lung doctor testifies George Floyd died of ‘low oxygen’

George Floyd death live updates

The first witness called Thursday in Derek Chauvin’s murder trial was a pulmonary and intensive care physician who said George Floyd died of “low oxygen”.

Dr. Martin Tobin is a physician at Edward Hines Jr. VA Hospital and Loyola University School of Medicine in Chicago. He has worked in respiratory physiology for approximately 46 years and has previously served as an expert witness in court.

Tobin said he was asked to review medical records and watch videos related to the case. He said he believed Floyd died from “low oxygen levels” which damaged his brain and also caused his heart to stop beating.

The state is expected to call several medical experts over the next two days.

Expert: Chauvin never removed the knee from Floyd’s neck area

MINNEAPOLIS – Officer Derek Chauvin had his knee on George Floyd’s neck – and carried most of his weight – for the entire 9½ minutes, the black man lay face down with his hands cuffed behind the dos, an expert in the use of force. testified Wednesday at the Chauvin murder trial.

Jody Stiger, a Los Angeles Police Department sergeant serving as a prosecution witness, said based on his review of the video evidence, Chauvin had knelt on Floyd’s neck or neck since the time officers put Floyd on the ground until the paramedics arrived.

“Did that particular strength not change during the entire restraint period?” Prosecutor Steve Schleicher asked as he showed the jury a composite image of five photos taken from the various videos of the arrest.

“Correct,” Stiger replied.

How Derek Chauvin’s trial brings down the Blue Wall

During his lengthy testimony Monday, the Minneapolis police chief said nothing to condemn the actions of Derek Chauvin, the former murderer accused in the death of George Floyd.

Yet Arradondo’s testimony was rare. The fact that he was joined by a series of other law enforcement officers was remarkable and a sign that the so-called blue wall of silence is crumbling.

Paul Butler, a law professor at the Georgetown University Law Center, said the blue wall means “sometimes the police close their ranks and – rightly or wrongly – they’re blue.”

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