sot kendra platt if i passed out we both would have been dead right now. gfx but platt was able to call 911... gfx nats police scanner 2 patients, unknown situation... ...the couple treated in a hyperbaric chamber to restore oxygen levels. gfx symptoms of carbon monoxide exposure include headaches, dizziness and vomiting. sot dr. jennifer ashton / abc news senior medical contributor the treatment for people who suspect or know they have carbon monoxide poisoning include, immediately removing themselves from that environment, getting in to fresh, open air. experts add, make sure your home has a working carbon monoxide detector... mara schiavocampo, abc news, new york . " deborah/elisa busy day in the weather center. elisa elisa raffa eraffa@kcautv.co m winter storm warning for all mon and tues except yankton... an advisory there. clouds on sky cams. temperatures didn't move much today, warm low of 30.. only up 4 degrees since then. temperatures won't move much through our snow storm. temperatures still in the low 30s. winds are calm. freezing drizzle is pos

kendra platt and steven roberts were enjoying a quiet night at home, when platt says she started feeling sick. the next morning, she says she was still woozy. >> i braced myself, and fell and i land like this. and then roberts passed out. >> i knew something serious had >> if i passed out we both would have been dead right now. >> reporter: but platt was able to call 911. >> 2 patients, unknown situation. >> reporter: the couple treated in a hyperbaric chamber to restore oxygen levels. their leak believed to be from a broken hot water heater. symptoms include headaches, dizziness, and vomiting. >> the treatment for people who suspect or know they have carbon monoxide poisoning include immediately removing themselves from that environment, getting into fresh, open air. >> reporter: experts add, make sure your home has a working carbon monoxide detector. mara schiavocampo, abc news, new york. >> we thank mara for that report. >>> and coming up, the mystery at king tut's tomb. why researchers now believe there's a secret chamber they haven't discovered yet. is there a famous mummy in that r

kendra platt and steven roberts were enjoying a quiet night at home, when platt says she started feeling sick. the next morning, she says she was still woozy. >> and i kind of braced myself when i fell and i landed like this. and then roberts passed out. >> i knew something serious had happened, but i wasn't sure >> if i would have passed out, then we would both be dead right now. >> reporter: but platt was able to call 911. >> two patients, unknown situation. >> reporter: the couple treated in a hyperbaric chamber to restore oxygen levels. their leak believed to be from a broken hot water heater. symptoms of carbon monoxide exposure include headaches, dizziness and vomiting. >> the treatment for people who suspect or know they have carbon monoxide poisoning include immediately removing themselves from that environment, getting into fresh, open air. >> reporter: experts add, make sure your home has a working mara schiavocampo, abc news, new york. >> it's really scary stuff. about 170 people in the u.s. die every year from nonautomotive consumer products from carbon monoxide. >> it's why

kendra and steven were enjoying a quiet night at home, when platt says she was feeling sick. the next morning, she was still woozy. >> i kind of braced myself when i fell. i landed like this. >> reporter: then roberts passed out. >> i knew something serious happened. >> if i had passed out as well, we would both be dead. >> reporter: the couple treated in a hyperbaric chamber. symptoms include headaches, dizziness, and vomiting. experts add, make sure your home as a working carbon monoxide >> thank you, mara. >>> fijly, how quickly they grow up. britain's princess charlotte turned 7 months old tomorrow. very happy about it. her parents are releasing two new photos. the one where she's sharing a animal. smile. the phphotograph, you may ask? proud mom. duchess kate herself. >> she looks so cute. >> a nice person to take a photo of. >> both of them. >>> coming up on the "gma morning menu." there's the music. "the force awakens" right here in times square. stars, "star wars" stars kicking off this morning. this guy. j.j. abrams. with us live. please, excuse me. we're talking abou