Dizziness?
Feel like vomiting?
Sakaki Makoto's heart sank. This was certainly different from what he had imagined. Even if that was true, what about Conan and the others who showed the same symptoms?
Could it be that he was attacked by a stand?
"I...I feel dizzy too..."
The detective badge in his arms rang, and Hong Shu said weakly:
"I still feel a little... a little palpitation..."
"Heart palpitations?!"
Sakaki Makoto's eyes suddenly widened, he knew where the problem lay.
Carbon monoxide poisoning!
Damn it!
How could he forget this!
"Brother Kidd, call an ambulance!"
Sakaki Makoto turned around and yelled.
“Hey hey hey….”
In fact, when Kidd heard the word "palpitations", he had already taken out his cell phone and dialed the hospital's emergency number. The hospital was not far from Ogawa's family courtyard, and it only took two minutes for the ambulance to arrive.
"Open the window!"
Before the ambulance arrives, Makoto Sakaki must find the source of carbon monoxide poisoning, but opening the windows for ventilation is the most important thing.
Covering their mouths and noses, Makoto Sakaki and Kidd split into two groups and rushed into each room. They opened all the doors and windows, allowing air convection. The cool wind blew into the house, quickly changing the air.
This is not the end. Sakaki Makoto took the unconscious Hiroki out of the closet, checked the condition of Ogawa Yoshio, and searched the surrounding rooms, but did not find anything related to carbon monoxide. Then...
He turned his eyes to the central air conditioning controller on the wall.
If there is anything in this world that can send carbon monoxide into the house without anyone noticing, it must be the air conditioner!
Thinking of this, Sakaki Makoto immediately turned off the central air-conditioning switch. The mechanical sound lingering in his ears suddenly disappeared, and the air-conditioning stopped blowing air.
The conditions of Miss Miyano and others are not optimistic. They have already developed symptoms of mild to moderate poisoning. Even if Makoto Sakaki opened the window in time, it could only temporarily curb the deterioration of the situation. There is no good treatment method, and if they want emergency treatment, they can only rely on equipment to inhale large amounts of oxygen.
"Hey, something's wrong with Ogawa Yoshio!"
In the room, Kidd shouted:
"He's having epilepsy again!"
The problem with carbon monoxide is that patients with moderate to severe cases will show varying degrees of drowsiness, coma, fainting, rapid breathing, excessive heartbeat, and epileptic symptoms. Extremely severe patients may even suffer cardiac arrest.
Sakaki Makoto rushed into the room and saw that Ogawa Yoshio had suffered a tonic convulsion, his limbs were twitching, and he could not be awakened no matter how much he was called.
“Mad!”
The criminal obviously knew that Ogawa Yoshio suffered from epilepsy, so he planned this unpredictable assassination. His target was not only Ogawa Yoshio!
Even if Makoto Sakaki and his companions reacted quickly, it was difficult to guarantee that Yoshio Ogawa, who had inhaled carbon monoxide, would not suffer from epilepsy again!
"Wrap him in a blanket, hold his head down and tilt it to one side! Don't use too much force!"
Makoto Sakaki ran to the closet, took out some clothes, folded them under Yoshio Ogawa's neck, and stuffed a ball of socks into his mouth to prevent him from biting his tongue.
Now only Makoto Sakaki and Kidd are still able to move freely. Everyone, including Miss Miyano and members of the Ogawa family, have all shown different symptoms of carbon monoxide poisoning. Makoto Sakaki and Kidd left the house before the carbon monoxide invaded, and they were lucky enough to escape. Otherwise...
It is very likely that the entire army will be wiped out!
Fortunately, the ambulance beeped and after receiving the call, medical staff rushed out within 30 seconds, overtaking other vehicles one after another and arrived at the scene in less than two minutes.
Because there were so many people poisoned, the hospital sent out more than a dozen ambulances. It can be said that all the ambulances were mobilized. Before the car stopped, the doctor jumped out with the nurse, rushed into the house, first carried Yoshio Ogawa, who was the most seriously poisoned, into the car, and then began to treat the others.
Twenty minutes later, the Ogawa family left the house and everyone except Makoto Sakaki and Kid was sent to the hospital.
"What on earth is going on?"
Kidd's mind was in a mess:
"Could it be an accident?"
"It can't be an accident!"
Clenching his fists, Sakaki Makoto watched the ambulance go away and said with a gloomy face:
"If it was a gas leak, it would not have covered all the houses, not to mention that there are odorizers in it, which adds to the smell, just to remind people to pay attention to safety!"
"We didn't smell any strange smell when we were in the house just now, so it can't be a gas leak!"
"This can't possibly be an accident!"
"So... that was done by the criminal?"
Kidd was extremely anxious. The ambulance was full and there was no room for them. He wanted to go to the hospital, but he was afraid that the evidence would disappear, so he had to stay.
"If it was done by the criminal, then everyone except the two of us was poisoned. Has the criminal now become so vicious that he doesn't even let himself go?!"
"Only in this way....can he get rid of suspicion!"
Sakaki Makoto gritted his teeth, suppressed the urge to go to the hospital, took a few deep breaths, and forced himself to calm down:
"Come back to the house with me and find the source of carbon monoxide!"
The two put on masks obtained from the ambulance, returned to the courtyard, and began to check each room one by one.
They went first to the kitchen, where carbon monoxide was most likely to be produced.
All the gas stove switches were closed, there was no abnormal noise, and no sign of leakage.
Apart from the gas stove, the only thing that could possibly produce carbon monoxide is the smokeless carbon piled up in the corner.
But the carbon monoxide content produced by smokeless carbon is not enough to cover the entire house. In terms of lethal dose, it is okay for one room, but wanting to poison more than 20 people at the same time is nothing but a pipe dream.
Moreover, Miss Miyano and others suffered from acute poisoning, which was caused by inhaling a large amount of carbon monoxide gas in a very short period of time, which is completely different from chronic poisoning from smokeless carbon.
Then, Sakaki Makoto and Kidd left the kitchen and checked every room, but still found nothing.
"How is this possible?"
Kidd's scalp tingled:
"Could it be that carbon monoxide appeared out of thin air?!"
"Just because there's nothing in the house doesn't mean there's nothing outside."
Sakaki gave him a cold look:
"Do you remember the fresh air system I mentioned to you?"
"Central air conditioning?"
Kidd glared:
"Can this thing also be used to commit crimes?"
"Of course, as long as you use it correctly..."
With gloomy faces, Sakaki Makoto and Kid left the house and began to walk around the courtyard. As soon as they turned a corner, they saw a cylindrical charcoal stove under the window sill not far in front of them. Dark red flames were surging inside and it was still burning fiercely.
Above the charcoal stove, there is a black coral window, which is the air inlet of the central air conditioner!
What is burning in the charcoal stove is also the smokeless charcoal in the kitchen!
"Didn't you say that the carbon monoxide produced by smokeless carbon wasn't enough to poison everyone?"
"I also said that anything can be used as a murder weapon if used properly."
Sakaki picked up a branch, fiddled with the charcoal stove, pointed at a black stone that was shining silver, and said:
"Look, what is this?"
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