Gravity. Tess Gerritsen

in the humid heat of a Houston summer night, she stopped in the Fly By Night’s parking lot and glanced up at the sky. The glare of city lights washed out the stars, but she could still make out comfortingly familiar constellations. Cassiopeia and Andromeda and the Seven Sisters. Every time she looked at them, she remembered what Jack had told her as they’d lain side by side on the grass one summer night, gazing at the stars. The night she had first realized she was in love with him. The heavens are full of women, Emma. You belong up there too.

      She said, softly, ‘So do you, Jack.’

      She unlocked her car and slid into the driver’s seat. Reaching into her pocket, she fished out the wedding ring. Gazing at it in the gloom of her car, she thought of the seven years of marriage it represented. Almost over now.

      She slipped the ring back into her pocket. Her left hand felt naked, exposed. I’ll have to get used to it, she thought, and started the car.

^*There is a Glossary at the end of this book that contains many of these abbreviations.

       3

      July 10

      Dr Jack McCallum heard the scream of the first ambulance siren and said, ‘It’s show time, folks!’ Stepping outside to the ER loading dock, he felt his pulse kick into a tachycardia, felt the jolt of adrenaline priming his nervous system into crackling live wires. He had no idea what was coming to Miles Memorial Hospital, only that there was more than one patient on the way. Over the ER radio they’d been told a fifteen-car pileup on I-45 had left two fatalities at the scene and a score of injured. Although the most critical patients would be taken to Bayshore or Texas Med, all the area’s smaller hospitals, including Miles Memorial, were braced for the overflow.

      Jack glanced around the ambulance dock to confirm his team was ready. The other ER doctor, Anna Slezak, stood right beside him, looking grimly pugnacious. Their support staff included four nurses, a lab runner, and a scared-looking intern. Only a month out of med school, the intern was the greenest member of the ER team and hopelessly fumble-fingered. Destined for the field of psychiatry, thought Jack.

      The siren cut off with a whoop as the ambulance swung up the ramp and backed up to the dock. Jack yanked open the rear door and got his first glimpse of the patient—a young woman, head and neck immobilized in a cervical collar, her blond hair matted with blood. As they pulled her out of the ambulance and he got a closer look at her face, Jack felt the sudden chill of recognition.

      ‘Debbie,’ he said.

      She looked up at him, her gaze unfocused, and did not seem to know who he was.

      ‘It’s Jack McCallum,’ he said.

      ‘Oh. Jack.’ She closed her eyes and groaned. ‘My head hurts.’

      He gave her a comforting pat on the shoulder. ‘We’ll take good care of you, sweetheart. Don’t worry about a thing.’

      They wheeled her through the ER doors, toward the trauma room.

      ‘You know her?’ Anna asked him.

      ‘Her husband’s Bill Haning. The astronaut.’

      ‘You mean one of the guys up on the space station?’ Anna laughed. ‘Now, there’s a long distance phone call.’

      ‘It’s no problem reaching him, if we have to. JSC can put a call right through.’

      ‘You want me to take this patient?’ It was a reasonable question to ask. Doctors usually avoided treating friends and family; you cannot remain objective when the patient in cardiac arrest on the table is someone you know and like. Although he and Debbie had once attended the same social functions, Jack considered her merely an acquaintance, not a friend, and he felt comfortable acting as her physician.

      ‘I’ll take her,’ he said, and followed the gurney into the trauma room. His mind was already leaping ahead to what needed to be done. Her only visible injury was the scalp laceration, but since she had clearly suffered trauma to her head, he had to rule out fractures of the skull and cervical spine.

      As the nurses drew blood for labs and gently pulled off the rest of Debbie’s clothing, the ambulance attendant gave Jack a quick history.

      ‘She was about the fifth car in the pileup. Far as we could tell, she got rear-ended, her car spun sideways, and then she got hit again, on the driver’s side. Door was caved in.’

      ‘Was she awake when you got to her?’

      ‘She was unconscious for a few minutes. Woke up while we were putting in the IV. We got her spine immobilized right away. BP and heart rhythm have been stable. She’s one of the lucky ones.’ The attendant shook his head. ‘You should’ve seen the guy behind her.’

      Jack moved to the gurney to examine the patient. Both of Debbie’s pupils reacted to light, and her extraocular movements were normal. She knew her own name and where she was, but could not recall the date. Oriented only times two, he thought. It was reason enough to admit her, if only for overnight observation.

      ‘Debbie, I’m going to send you for X rays,’ he said. ‘We need to make sure you haven’t fractured anything.’ He looked at the nurse. ‘Stat CT, skull, and C-spine. And…’ He paused, listening.

      Another ambulance siren was approaching.

      ‘Get those films done,’ he ordered, and trotted back outside to the loading dock, where his staff had reassembled.

      A second siren, fainter, had joined the first wail. Jack and Anna glanced at each other in alarm. Two ambulances on the way?

      ‘It’s going to be one of those days,’ he muttered.

      ‘Trauma room cleared out?’ asked Anna.

      ‘Patient’s on her way to X-ray.’ He stepped forward as the first ambulance backed up. The instant it rolled to a stop, he yanked open the door.

      It was a man this time, middle-aged and overweight, his skin pale and clammy. Going into shock was Jack’s first assessment, but he saw no blood, no signs of injury.

      ‘He was one of the fender benders,’ said the EMT as they wheeled the man into the treatment room. ‘Got chest pain when we pulled him out of his car. Rhythm’s been stable, a little tachycardic, but no PVCs. Systolic’s ninety. We gave morphine and nitro at the scene, and oxygen’s going at six liters.’

      Everyone was right on the ball. While Anna took the history and physical, the nurses hooked up the cardiac leads. An EKG blipped out of the machine. Jack tore off the sheet and immediately focused on the ST elevations in leads V1 and V2.

      ‘Anterior MI,’ he said to Anna.

      She nodded. ‘I figured he was a tPA special.’

      A nurse called through the doorway, ‘The other ambulance is here!’

      Jack and two nurses ran outside.

      A young woman was screaming and writhing on the stretcher. Jack took one look at her shortened right leg, the foot rotated almost completely sideways, and knew this patient was going straight to surgery. Jack quickly cut away her clothes, to reveal an impacted hip fracture, her thigh bone rammed into the socket by the force of her knees hitting the car’s dashboard. Just looking at her grotesquely deformed leg made him queasy.

      ‘Morphine?’ the nurse asked.

      He nodded. ‘Give her as much as she needs. She’s in a world of hurt. Type and cross six units. And get an orthopod in here as soon as—’

      ‘Dr McCallum, stat, X-ray. Dr McCallum, stat, X-ray.’

      Jack glanced up in alarm. Debbie