I checked my watch. We had been down now for fifteen minutes and I had developed a splitting headache that was thumping away behind my eyes. I reckoned I must not be used to the continuous pressure changes in my nasal passages.
I went on following Henri deeper into the structure, but I was beginning to feel decidedly unwell.
I grabbed Henri’s flipper and indicated that I would like to go back to the surface by first pointing at myself and then putting my thumb up. At first, she thought I was liking the dive and giving it the thumbs-up, but soon realized something was amiss when I next rotated my hand horizontally from side to side at the wrist and pointed at my head.
We exited the ship through one of the holes that had been cut in the hull and started to go up slowly.
But halfway to the surface I was attacked by a giant sea monster that swallowed me whole and blacked out my world entirely.
31
I woke up lying on my back with a man kneeling beside me, forcing a plastic mask tightly over my nose and mouth.
Oxygen mask, I thought knowingly. I’d had one of those on before—in the hospital, in London.
Was I back in the same hospital?
No. I couldn’t be. I was all wet and I was lying in the sun.
So where was I?
My brain was scrambled and drifting, like the swirling of fog.
Was I drunk? I couldn’t remember being drunk. Then again, I couldn’t remember anything.
I tried to move, but my limbs seemed to have minds of their own.
“Thank God, he’s awake,” said a female voice from somewhere over my head.
Henri, I thought. That was Henri. I recognized her voice. And it was Carson who was fitting the mask.
Suddenly, the fog in my head cleared and I could remember everything, including the sea monster.
“What happened?” I tried to say. The mask was so tight on my face that I couldn’t properly enunciate the words.
“Just you rest, man,” Carson said. “You have the bends, man. We’re getting you ashore real quick.”
The throbbing in my head continued in perfect time with my heartbeat. I also felt sick, waves of nausea washing over me every few seconds.
I was lying on the platform of the dive boat with a rolled up towel under my neck. Henri came and kneeled down next to me and opposite Carson. She took my left hand in hers.
“You really frightened me,” she said.
I’d really frightened myself.
“What happened?” I tried to say again.
“You passed out as we were on our way up and then you started sinking back down again. I grabbed you and hauled you up to the surface, forcing my alternate airline into your mouth to breathe through. I thought your own tank must have emptied. Luckily, there was enough air left in it for me to inflate your BC, which kept you up. Carson dived into the water to help pull you out.”
“I banged the hull to alert the others, man,” Carson said. “Now on our way to the nearest beach. I called an ambulance, man. It’ll meet us there.”
Good old Carson, man.
—
I NEVER DID get to eat my traditional Christmas lunch at Martin and Theresa’s house. Instead, I spent the next hour and a half in a pressurized hyperbaric chamber at Grand Cayman Hospital breathing one hundred percent oxygen. And then I was kept there for most of the afternoon for observation.
My time in the chamber had certainly made me feel better.
The headache slowly faded away to nothing and the feelings of nausea went with it. By the time I was allowed to see Henri, I was itching to get out of the hospital.
“Don’t be so impatient,” she said. “The bends can be nasty.”
But how could I have had the bends? I had checked the dive depth tables myself. Both dives had been well within the recommended limits, especially since I’d chosen not to go down as far as a hundred feet in the first one. There was no way I should have had any problem with decompression sickness.
And I’d had the headache long before Henri and I had started to ascend to the surface. That’s when the bends would have surely happened. And without a headache as a warning.
—
HENRI WENT BACK to Martin and Theresa’s house for the noontime champagne with friends.
“I promise I’ll come back later,” she said to me as she left. “I’ll bring you some turkey.”
A little while after she’d gone, a doctor in a traditional white coat came to see me.
“Not the best way to spend Christmas Day for either of us,” he said.
“I’m sorry,” I replied.
“It’s not me you have to apologize to,” he said. “I was always going to be on duty here today. But our phlebotomist is a different matter. You may need to buy her a drink for giving up an hour of her Christmas morning.”
“Phleb who?”
“Phlebotomist,” he said. “Someone who takes blood.”
“Ah.” I could vaguely remember someone sticking a needle into my wrist just before I was placed in the hyperbaric chamber.
“I asked her to come in to do an arterial gas test on your blood.”
“And?” I said.
“The results show that you had severe carbon monoxide poisoning.”
“Carbon monoxide?”
“Yes,” he said, “and you’re lucky to be alive. You had over thirty percent of carboxyhemoglobin in your blood when you arrived here. It would have been even higher before you were given oxygen to breathe on the boat.”
“Is that bad?” I asked.
“Normal levels are about one percent.”
Maybe I didn’t look sufficiently alarmed.
“Let me explain,” he said. “Oxygen is constantly needed by your muscles and brain in order for them to function. When you breathe normal air, the oxygen molecules in your lungs latch onto the hemoglobin in your red blood cells and are transported around your body. But if you breathe air that is contaminated with carbon monoxide, then the CO molecules attach to the hemoglobin instead of the O2 ones, forming carboxyhemoglobin. And that prevents the blood carrying oxygen. Hemoglobin is two hundred times better at absorbing carbon monoxide through the lung walls than it is oxygen, so it’s very serious, even at low concentrations.”
“Wouldn’t I be able to taste it?” I asked.
“Carbon monoxide is odorless and tasteless. People die of it all the time without ever knowing it, especially in tents and trailers when they use heaters without proper ventilation.”
“But how did it happen on a dive?” I asked.
“I suspect you were breathing from a tank that was contaminated with carbon monoxide,” he said. “I had my doubts when you first arrived. The ambulance staff said you had the bends, but you didn’t present the usual symptoms. Decompression sickness is referred to as the bends because the agony in the joints tends to bend people over. But you were pain-free. That’s why I arranged for the arterial gas test. Fortunately, treatment for the bends and for CO poisoning are exactly the same—one hundred percent oxygen in a hyperbaric chamber—so that’s what we did, even before we had the test results.”
“Thank you,” I said. “But how could such contamination happen?”
“Easily. In the past, it was quite a common problem, but people are usually more savvy and careful these days, so such accidents are now rare. Air compressors are used to fill the tanks and most are driven by gas engines. If the air intake valve for the tanks is placed too close to the exhaust of the engine, then you can partially fill the tank with carbon monoxide. That would be enough.”
“So I wasn’t eaten by a sea monster,” I said, mostly to myself.
“Eh?”
“Nothing,” I said. “I must have been hallucinating. I imagined I was being eaten alive by a sea monster.”
“The brain does funny things when it’
s starved of oxygen.”
“But how come I’d been underwater for more than twenty minutes and was fine, apart from a headache, and passed out only as I was coming up to the surface?”
“That is quite normal,” he said. “It’s to do with the increased partial pressure of oxygen that compensates at depth. It reduces as you ascend and hence the manifestations of the poisoning become more apparent.”
I didn’t understand, but at least the doctor seemed confident that he knew what he was talking about.
“Will there be any lasting effects?” I asked.
“There shouldn’t be,” he said, “not after breathing pure oxygen at high pressure, as you did in the hyperbaric chamber. It drives the carbon monoxide out of your system. We’ll keep you here for a few more hours just to be sure, but I’m pretty certain you’ll be able to go home later.”
The doctor went away and I laid my head back on the pillow.
Carbon monoxide in a contaminated dive tank.
Take the yellow guest tanks, Martin had said to me on the boat. Had that been because he had known that one of them, or even both, had been purposely contaminated with poison gas?
Or was I just being paranoid?
Perhaps it had just been an unfortunate accident, as the doctor had suggested.
Maybe. But I’d spent far too much time in hospitals recently. And being stabbed thirteen times certainly hadn’t been accidental.
—
HENRI CAME BACK at two o’clock with a large tray holding two plates, over which there were metal covers.
“I couldn’t eat my Christmas dinner at Martin’s place, not without you being there, so I brought it to have with you here.”
She removed the plate covers with a flourish, like a magician revealing a white rabbit. Underneath were two large platters overflowing with roast turkey plus all the trimmings.
Henri even produced a pair of Christmas crackers from her handbag.
“How lovely,” I said.
I didn’t have the heart to tell her that just an hour previous I’d been served an identical Christmas lunch from the hospital food cart. But that one hadn’t been particularly tasty and, fortunately, my half-eaten attempt had been retrieved just five minutes before Henri arrived.
This one was much better, and, to my great delight, Henri had also smuggled in a thermos full not of hot coffee but ice-cold chardonnay, which we drank out of plastic hospital glasses.
We pulled our crackers and put on our paper hats.
“Why did the bicycle fall over?” Henri read from her joke slip.
“No idea,” I said.
“Because it was two-tired.”
We both groaned.
“What’s yours?” Henri said.
“What is Good King Wenceslas’s favorite pizza?”
“I don’t know.”
“Deep-pan, crisp and even.”
More groans.
“That’s even worse than mine,” Henri said.
I actually think it was the best Christmas lunch I’d ever had, which I put down to the company rather than the ambience of the surroundings. I didn’t want to spoil it by suggesting to Henri that her cousin might have tried to kill me, but it was she who brought up the topic of the dodgy tanks.
“One of the doctors here at the hospital called Carson Ebanks to tell him that you didn’t have the bends after all. It seems you were poisoned by carbon monoxide from a dive tank.”
I nodded. “The doctor told me that too.”
“He called Carson to demand that all his dive tanks be immediately emptied and refilled with clean air as a precaution to stop it from happening again.”
“But the tanks we used didn’t belong to Carson.”
“I know,” she said. “They were Martin’s and he had filled them himself using his own compressor. That, exactly, is why Carson called us.”
“Did anyone else suffer any effects?” I asked. “Did you have a headache or anything?”
“No, nothing. And Martin seemed to be fine as well. I don’t know about Truman Ebanks, but he used his own tanks anyway.”
“We should get the tanks tested for carbon monoxide,” I said. “Including the ones we didn’t use.”
“It’s too late,” she said. “As soon as Martin got the call from Carson, he went straight out to his diving store and opened all his tanks to empty them. He even removed the valves and washed the tanks out. He said he didn’t want there to be any chance that someone else would be poisoned.”
How convenient, I thought.
I looked at Henri and raised a questioning eyebrow.
“You surely can’t think that Martin poisoned you on purpose?”
“It was he who told me to use the yellow tanks,” I said. “And it was he who invited me to go diving with him in the first place, when he’d been anything but welcoming beforehand.”
“Yes, but . . .”
“But what?” I asked.
“Why would he do such a thing?”
Why indeed?
—
“GOD, I’m so dreadfully sorry,” Martin said. “I can’t think how it could have happened. I’m so careful when I fill the tanks for the very reason that I know how dangerous the engine exhaust fumes can be.”
He really did sound quite apologetic. And almost believable.
He was standing in the center of the living room of our apartment at the Coral Stone Club, having walked down the beach from his house. It was five o’clock and I had been there about half an hour, having been discharged from the hospital.
Henri and I were sitting next to each other on the sofa in front of him.
Should I come straight out and accuse him of poisoning me on purpose?
Perhaps not just yet.
“It was strange how none of the other tanks was affected,” I said.
“Yes, I thought that,” Martin replied. “You must have been unlucky. I’m always careful about placing the compressor outside in the open, with the engine exhaust downwind from the air intake, but maybe the wind shifted direction, or something, when that particular tank was being filled.”
Or something, I thought. Like purposely turning it around.
“Who knew I would use the yellow tanks?” I asked pointedly.
“The yellow tanks are my guest tanks. They are the easiest to see and I generally give them to the diver who I think needs the most watching. In this case, that was you. If Bentley had been diving, he would probably have had them.”
But Bentley hadn’t been diving. He’d brought no trunks with him.
“Who knows that?” I asked.
“It’s standard practice. At least, it is for me.” He paused, but he wasn’t finished. “Are you seriously suggesting that you were in some way specifically targeted? That someone gave you a contaminated tank on purpose?”
I just looked at him as he built up a head of steam.
“That’s preposterous. How dare you!” He looked fit to explode.
“I’m sure Jeff didn’t mean that,” Henri said, stepping in to try to defuse the bomb.
But I did mean that. However, it seemed diplomatic not to continue with that line just at the moment.
“At least I’m fine now,” I said, smiling at him. “Fully recovered.”
He was only a little placated. He turned on his heel and stomped back out to the beach without another word.
Bloody cheek, I thought.
His contaminated dive tank had nearly killed me.
On purpose, or by accident, it was still his fault.
Surely it was I who had the right to be angry, not he.
But Henri was cross with me as well.
“You simply can’t go around accusing people like that,” she shouted at me as soon as Martin was out of earshot. “What evidence do you have?”
“That’s ridiculous,” she said. “Why on earth would Martin try to kill you? It just doesn’t make any sense. He would be risking everything.”
But Martin was not averse to taking risks.
What had Bentley said to him on the balcony at Newbury?
You’re a total fucking idiot! You absolutely shouldn’t be here. You shouldn’t even be in the country. It’s far too risky.
32
An uneasy truce was established between Henri and myself, helped in part by the Chanel No5 Christmas present, which she adored.
“It’s my favorite,” she said, kissing me. “Thank you so much.”
However, she was still cross with me, not so much for my initial accusation but for then not agreeing with her that it was ridiculous and for not apologizing to Martin.
We had been invited by Theresa to go up to their place for a light supper and some Christmas games. I was not really in the mood for party games. And especially not for Murder in the Dark.
“You go,” I said. “I’ll stay here and watch television. I could do with the rest.” I leaned my head back on the sofa and put my feet up on the ottoman.
“I’m not going without you,” she said adamantly. “I’m not letting you sulk here like a spoiled schoolboy. So move your blooming arse and get yourself changed.”
I was still wearing the baggy tracksuit I’d been lent by the hospital to come home in.
“OK, you win.” I dragged myself upright. “Do you know what happened to the shirt I had with me on the boat? And also my cell phone is missing.”
“Sorry, I’ve no idea,” Henri said. “I was too busy worrying about you. But I’m sure they’re safe somewhere. Carson Ebanks probably has them.”
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