Published: Aug 15, 2014 7:29 PM EDT

FORT MYERS, Fla.- The Fort Myers Police Department is calling a 10-year-old boy a hero after he dialed 911 and ultimately saved his dad's life.

Calvin Sewell's dad was going into diabetic shock, but Calvin knew just what to do.

You can hear him on the 911 call, calming telling dispatchers that his dad's blood sugar is really low and was not responsive.

Calvin said, "I figured I knew what to do so I wasn't exactly freaking out but I did make it a bit harder because I wasn't exactly thinking straight and nervous."

The 10-year-old was swimming with his dad and six-year-old brother Jasper last month, when he noticed his dad acting a little out of it. His blood sugar was dropping fast.

Calvin said, "we got daddy inside and this is when the trouble really started to happen."

Calvin picked up the phone and knew he had to call 911. He says, "it happened before, I have experience."

He painted a picture for 911 dispatchers with a calmness that police say they rarely hear from adults, even having the presence of mind to tell the first responders it was safe to come inside because the dog was friendly.

His dad Brad doesn't remember much from the day but says he's not surprised.

"Well I said who called it in? And I found out that Calvin did it, and that sounds about like Calvin. I knew he knew what to do and I was glad for it. Glad to have him around," Brad says.

He's lived with Type I Diabetes since he was 3 years old. When he and his wife had kids, they decided to teach them early how to call 911 and what to say and what to do if he went in diabetic shock.

He says, "children can help. They can be your life. They can be your support. And it comes down to you have to take a chance and say I'm going to teach them how to take care. It's the irony ya know, I'm here to take care of them and they take care of me."

And his message to Calvin? "Thanks a lot buddy, I love you a lot. You are a life saver. You really are."

Fort Myers Police Officers were so impressed with Calvin, they wanted to recognize him for his heroic call.

Only WINK News was there as Chief Doug Baker presented Calvin with a special plaque.

Lt. Roger Valdivia, who responded to the Sewell's home that day, got Calvin donations from Zoomers and Skyzone to congratulate him for his life-saving efforts.