Time reported that:

When the first emergency medical workers reached Diana in the Pont de l’Alma traffic tunnel, she appeared to have suffered only relatively minor injuries and her face was untouched, says an unidentified doctor who treated Diana at the scene. His account appears in Wednesday’s edition of the French tabloid Le Parisien. “She was very agitated, half-knocked out but conscious,” said the doctor. Diana repeatedly murmured “Oh my God” as doctors and paramedics began to treat her injuries, firefighters sought to free her from the car and police pushed back the photographers who had been “taking pictures just a few centimeters from her face,” the paper quoted the doctor as saying. “Leave me alone, leave me alone,” Diana said, just before the oxygen mask was placed over her face and she lost consciousness, the doctor told Le Parisien. According to the paper, the ambulance taking her to Pitie-Salpetriere hospital traveled at only 25 mph on the orders of doctors who said it was imperative Diana not be jostled. The daily claimed the trip from the accident scene to the hospital took an hour.

Unfortunately for Diana, when the car came to a dead halt, her internal organs continued forward until they too hit a barrier. She survived a short time but the damage to her internal organs was so great that nothing could save her.

Zarqawi did not suffer the direct impact of the bomb. His body was not torn asunder by shrapnel. What killed him was overpressure from the blast. Redstate explains:

One of the least understood phenomena of a bomb blast is overpressure. Everything in the blast perimeter is subject to a sudden and profound increase in air pressure. This wave of blast overpressure declines rapidly the further it travels. A person 10 feet from a bomb blast will experience nine times the overpressure of a person 20 feet away. But it gets messy and unpredictable. A person who happens to be standing between the bomb and a strong wall is subjected to more blast effect because solid surfaces reflect the blast wave.

You, as you read this, are subjected to normal air pressure of 15 pounds per square inch, depending on how close you are to sea level. The rapidly expanding gases of the bomb push the air out of the way generating air pressures of as much as 700 tons per square inch in the immediate area. But even on the outer perimeters of the blast area overpressures can be deadly.

The human body contains two principal air-filled spaces — the lungs and the nasal cavity and attached sinuses. A human subjected to a bomb blast wave instantly has hundreds and perhaps thousands psi of pressure pushing on these cavities. A mere 15 psi above normal is considered the threshold for possible lung injury, so imagine what happens to those near the epicenter of a bomb blast.

The chest caves in. The lungs inside it are compressed violently in on themselves — so violently that the entire network of pulmonary vessels connecting them to the heart and the rest of the body are sheared off.

When the instant of blast overpressure passes, the lungs suddenly re-expand, like a crushed rubber ball rebounding in the hand of a strong man. But now they are filled with a huge volume of blood, blood that should be flowing to the heart and other parts of the body.

Blood that would normally return to the heart through the left ventricle has now overwhelmed the lungs. No blood in the left ventricle equals no blood in the heart equals no pulmonary output to the body. Blood pressure — zero. The body is instantly starved.

Up above, in the skull, at the same instant, the overpressure works in another way. The nasal and sinus cavities implode. That part of the skull called the cribiform plate ruptures, snaps and may be thrust upward into the base of the brain.

Zarqawi was in the danger zone of the bomb’s overpressure. It crippled his internal organs while leaving his outer body looking (relatively) intact. He had enough time to appreciate his deserved fate. That was truly good.

Princess Diana had enough time to appreciate her undeserved fate. That was not good.

Not knowing how violent death occurs breeds conspiracy theories.