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Derek Chauvin trial: Expert says George Floyd died of ‘low oxygen’

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Derek Chauvin trial: Expert says George Floyd died of ‘low oxygen’
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eorge Floyd died from a lack of oxygen which damaged his brain and caused his heart to stop when he was pinned down by Derek Chauvin, a medical expert has told the former police officer’s murder trial.

Mr Floyd’s breathing was too shallow to take in enough oxygen while he was pinned facedown with his hands cuffed behind his back for nine and a half minutes as Chauvin knelt on his neck and back, Dr Martin Tobin said.

Dr Tobin is a lung and critical care specialist at the Edward Hines, Jr. VA Hospital and Loyola University’s medical school in Chicago.

He took the stand as part of an effort by prosecutors to establish that it was Chauvin’s actions – not Mr Floyd’s drug use and underlying health conditions, as the defense contends – that killed the 46-year-old Black man last May.

Tobin, analyzing a graphic presentation of the three officers pinning Floyd for what prosecutors say was almost 9 1/2 minutes, said Chauvin’s knee was “virtually on the neck for the vast majority of time.”

He said it was “more than 90% of the time in my calculations.”

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He said it appeared that Floyd was getting enough oxygen for about the first five minutes to keep his brain alive because he was still speaking.

But Tobin explained to jurors what happens as the space in the airway narrows, saying breathing then becomes “enormously more difficult,” adding that it would be worse than “breathing through a drinking straw.”

Tobin testified that if the hypopharynx – the bottom part of the throat – becomes totally obstructed, it takes just seconds to reduce the level of oxygen to where it would result “in either a seizure or a heart attack.”

Prosecutors showed images of Floyd side by side, one with the front of his face smashed against the pavement and another with his head turned. Tobin said that when Floyd’s head was facedown, a ligament at the back of his neck would have protected his airway. But with his head turned, Chauvin’s weight would have compressed the hypopharynx.

The expert calculated that at times when Chauvin was in a near-vertical position, with his toes off the ground, half of Chauvin’s body weight – 91.5 pounds – was directly on Floyd’s neck.

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Chauvin had to know George Floyd’s daily life was in hazard, prosecutor suggests

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‘No force’ should have been used on George Floyd, LAPD expert says
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erek Chauvin “had to know” he was putting George Floyd’s daily life in threat for the duration of the arrest, a prosecutor explained during closing arguments at the police officer’s murder trial.

“Use your prevalent feeling. Believe that your eyes. What you observed, you saw,” Steve Schleicher instructed the jury on Monday.

He was referring to the online video of Mr Floyd pinned to the pavement with Chauvin’s knee on or close to his neck for up to 9 minutes, 29 seconds.

Chauvin’s lawyer Eric Nelson countered by arguing that Chauvin did what any “acceptable” police officer would have done right after finding himself in a “dynamic” and “fluid” predicament involving a large gentleman having difficulties with a few police officers.

As Mr Nelson began speaking, Chauvin removed his Covid-19 mask in front of the jury for one particular of pretty couple periods for the duration of the demo.

The duelling arguments bought underneath way with Minneapolis on edge immediately after Mr Floyd’s demise very last spring established off protests in the metropolis and throughout the US that at times turned violent.

The defence contends not only that Chauvin acted moderately but that 46-year-outdated Mr Floyd died of heart condition and illegal drug use, not Chauvin’s steps.

Underneath the legislation, police are presented certain latitude to use force and their steps are supposed to be judged according to what a “realistic officer” in the similar situation would have completed – a issue the defence pressured repeatedly.

Mr Nelson mentioned that officers who first went to the shop where Mr Floyd allegedly tried out to move a counterfeit 20 dollar notice had been by now having difficulties with Mr Floyd when Chauvin arrived as back again-up.

The law firm also noted that the initially two officers on the scene were being rookies and that law enforcement experienced been informed Mr Floyd may well be on drugs.

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