jen ashton, we just learned about what goes on. >> in trauma situations, we're trained to look for two things, the entrance wound and if we can see an exit wound. sometimes it can give us an idea what the path was inside the body and therefore what organs are damaged. when you hear story about app applyiapply tourniquets to limbs, typically you don't tie off a body part that you don't plan to possibly lose in a life threatening situation that can save someone's life. but the heroic actions of the first responders and just bystanders here. i'm sure we will hear more about that. >> senator bill nelson is joining us on the phone from florida. thank you for joining us. what is the latest you can tell us about what happened there and the links that gunman may have had to outside groups. >> george, the fbi is taking the lead. both senator dianne feinstein, the chairman of the intelligence committee, as well as i have talked to the assistant director of the counterterroism center. there appears to be a link to islamic radicalism and not will you the fbi, through other intelligence staff that

jen ashton. they were transported to the orlando regional medical center. >> this is a level one trauma center. this is a disaster code, all hands on deck situation. doctors, nurses, surgeons, auxiliary personnel brought in. for every gunshot victim, they need approximately six people in each o.r. they're ready for this at 2:00 in the m afternoon. the medical center says they're not on diversion. that means they're able to accept more patients. these type of big level one trauma centers are ready for this all the time. >> incredibly busy morning at that hospital. jen, thank you. >>> we want to switch gears to check your forecast. we start with rob marciano. hey, rob. >> hi, dan. extraordinary heat across much of the central u.s. multiple records set yesterday. today will be no different. humidity levels make it feel like 102 in memphis and st. louis. this is dangerous heat if you're outside for a long period of time. one tornado tumping down. doing damage to several homes there. even with injurie

jen ashton. they were transported to the orlando regional medical center. >> this is a level one trauma center. this is a disaster code, all hands on deck situation. doctors, nurses, surgeons, auxiliary personnel brought in. for every gunshot victim, they need approximately six people in each o.r. they're ready for this at 2:00 in the morning or 2:00 in the afternoon. the medical center says they're not on diversion. that means they're able to accept more patients. these type of big level one trauma centers are ready for this all the time. >> incredibly busy morning at that hospital. jen, thank you. >>> we want to switch gears to check your forecast. we exroad -- extraordinary heat building across the country, high numbers from green bay to south dakota. we'll see humidity levels that will make it feel like 102 in memphis and saint louis. and well into the 9 os as far as souix falls. the threat today moves toward fargo, a little farther to the east and western parts of minnesota and tomorrow, eas

jen ashton. all the hospitals trained for this. but you can't really be prepared for this kind of devastation? >> absolutely, george. i want to take everyone back to the scene. you have to understand and appreciate from the perspective of the ems system and the first responders. the primary principle guiding them as they arrive on that seen is is the scene safe and they cannot actually go on to that scene unless it is secured because they don't want to add to the number of victims and casualties there. it's also very important for people to understand in a hospital setting we have every possible instrument at our disposal. we have a sterile and organized scenario even in a mass casualty trauma like this. those paramedics and emt's who responded to that scene and did save a lot of lives had none of those things at their disposal. for them to do the work they did in what we call load and roll, put them on a stretcher and get them to the hospital immediately and other cases stabilize them and secure intravenous access and secure their

jen ashton, all the hospitals train for this but you can't really be prepared for this kind of devastation. >> absolutely. i want to take everyone back to the scene. you have to understand and appreciate from the perspective of the ems system and the first responders the primary principle guiding them as they arrive on this scene, is the scene safe? and they cannot actually go on to that scene unless it is secured because they don't want to add to the number of victims and casualties there. it's also very important for people to understand in a hospital setting we have every possible instrument at our disposal. we have a sterile, organized scenario and situation even in a mass casualty trauma like this. those paramedics and emts who responded to that scene and likely did save a lot of lives had none of those things at their disposal. for them to do the work they did, in some cases in what we call load and immediately to the hospital, in other cases, stabilize them, stable intravenous access and airway, that's incredibly difficult. >> we heard from the eyewitness earlier, these wounds signi

i want to bring in jen ashton. lots of good tips., do nothing. >> let's take a macro view. not true medical insomnia. the middle of the night waking. i think the concept of do nothing is an important reminder for doctors, health care providers, patients alike. sometimes less is more. it's watchful waiting. i do it all the time with my patients before jumping into a treatment. take a step back, relax, see what's going on. the do nothing concept when it comes to waking up in the middle of the night, don't reset your schedule. don't compensate the next day, even the you're feeling it. go about your normal schedule. it's really important. >> i think almost all of us here at "gma" break that rule. we love our naps. really, you're saying, don't try to sneak in that extra power nap, it's not going to help? it will hurt? >> exactly. most people when they're up a couple of nights in a row, middle of the night, what do they do? sleep later if they can the next day. go to bed earlier. take a nap. actually, you're interfering with your body's ow

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we'll talk to jen ashton about that coming up.here to talk about the response. right now, we want to get to abc's lauren lyster. she's here with us. you were one of the first on the scene. you have the latest now. >> reporter: george, in the last 24 hours, new and frightening details continue to emerge about how this all went down. but as the tragedy and the suspect come into clearer focus, we're hearing tales of the survivors and tales of the herorksh heroism. a city grief-stricken. inside orlando's nightclub pulse early sunday, terror and carnage. >> and out of nowhere, i just hear -- and it was like an automatic gun. >> reporter: police identifying the lone gunman is omar mateen. his shooting spree killing at least 50, injuring 53 others. at 2:02 a.m., police respond to a call of shots fired. the shooter armed with an ar-type rifle and handgun, declaring his allegiance to isis. sprayed the packed club. some able to flee, many trapped inside. >> didn't look back, just ran to get out of there. that was my first instinct. >> repor

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jen ashton joining us live. jen, i do this already. >> i can see her face. >> taking a deep breath.e to the screen. i've got some major issues, as you know, jen. anyway you say look it up with caution, right? >> right, so first of all what this is think of google 2.0, a more sophisticated vertical search engine so it's giving you a deeper dive on your symptoms in terms of treatment, further diagnosis and management. but with if you are charged with murder of the first degree, would you use legalzoom as your courtroom defense? they're great for creating documents but you probably don't want them trying your criminal case so proceed with caution. >> okay, jen, so say a patient of yours comes in with their google search and says, i think i have this, what do you say or do? >> usually the patients say, doctor, it hurts when i do this and the doctors say don't do that. look, i say information and education is great but being a doctor or a health professional is so much more than just entering something into a keyboard and getting an answer back. if that's as simple as it was to get an m.

jen. >> nice ride. >> really cool, right. they have like five or sixtive rent ride, this is ashton, good morning. >> good morning. >> we were goingpractice off camera but why do that. lets do it live on tv. you say this is different from riding a regular bike. >> we have to work together a bit. >> is it okay i'm in the front. >> just start pedaling, once we getting i will take my feet off. >> it is weird. >> this is one of the things you can rent. >> yes. >> i'm done. >> that was fun. >> you can only go too fast and too far. >> this is one of the things you can rent boat house row and fdr park. >> yes. >> you are now doing it every day. >> we are doing weekend right now, and later in the summer. >> yes. >> and, boat house row. >> it is every day. >> fdr is just weekend. >> we have got these tandem bikes. >> we have kid bikes, cruisers, single speed, and then we have our specialty bikes which would be the quad sports and choppers, and then the ride we did earlier and then our surreys so we have single, double and bring the whole family and have four people or just a couple and their kid you can have these single ones. >> let me te