{"id":9706,"date":"2017-02-27T12:46:55","date_gmt":"2017-02-27T19:46:55","guid":{"rendered":"https:\/\/www.uchealth.org\/today\/?p=9706"},"modified":"2025-01-17T13:07:49","modified_gmt":"2025-01-17T20:07:49","slug":"lub-dub-lesson-heart","status":"publish","type":"post","link":"https:\/\/www.uchealth.org\/today\/lub-dub-lesson-heart\/","title":{"rendered":"Lub and the dub: A lesson in heart"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><p>Dressed in a classic schoolgirl plaid jumper, Olivia Davalos, 9, stood before her classmates and proudly proclaimed: \u201cThis is my dad. He\u2019s a cardiologist. He\u2019s a heart doctor.\u2019\u2019<\/p>\n<p>For the next 30 minutes, Mrs. Denise Board\u2019s fourth-grade class at St. Paul\u2019s Catholic School in Colorado Springs got a lesson in cardiology from <a href=\"https:\/\/www.uchealth.org\/provider\/jorge-davalos-md-cardiology\/\" target=\"_blank\" rel=\"noopener noreferrer\">Dr. Jorge Davalos<\/a>.<\/p>\n<p>The doctor from <a href=\"https:\/\/www.uchealth.org\/locations\/uchealth-cardiology-memorial-hospital-central\/\" target=\"_blank\" rel=\"noopener noreferrer\">UCHealth Memorial Hospital<\/a> began by standing in front of a white board and drawing a picture of the human heart.<\/p>\n<p>\u201cDo you know how many chambers your heart has?\u2019\u2019 Dr. Davalos, a UCHealth Medical Group physician, asked.<\/p>\n<figure id=\"attachment_9708\" aria-describedby=\"caption-attachment-9708\" style=\"width: 225px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9708 size-medium\" src=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2017\/02\/28144251\/davalos2photoshop.webp\" alt=\"student introduces her heart doctor dad to her classmates\" width=\"225\" height=\"300\" srcset=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2017\/02\/28144251\/davalos2photoshop.webp 750w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2017\/02\/28144251\/davalos2photoshop-225x300.webp 225w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2017\/02\/28144251\/davalos2photoshop-113x150.webp 113w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2017\/02\/28144251\/davalos2photoshop-200x267.webp 200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><figcaption id=\"caption-attachment-9708\" class=\"wp-caption-text\">Olivia Davalos, a fourth-grade student at St. Paul&#8217;s Catholic School, introduces her father, Dr. Jorge Davalos, a cardiologist at Memorial Hospital, to her classmates<\/figcaption><\/figure>\n<p>He explained that the heart has four chambers, an aorta and four valves \u2013 a tricuspid valve, aortic valve, pulmonary valve and mitral valve.<\/p>\n<p>\u201cDoes anyone know why it is called the mitral valve? You\u2019re never going to guess,\u2019\u2019 he said.<\/p>\n<p>The children laughed. \u201cHave you been to church when the bishop is there? What\u2019s the name of his hat?\u2019\u2019<\/p>\n<p>One of the children answered enthusiastically: \u201cThe big hat.\u2019\u2019<\/p>\n<p>\u201cYes, it is a big hat but the name of the hat is a miter hat. Someone looked at that valve and decided it looked like the bishop\u2019s hat, so they called it the mitral valve.\u2019\u2019<\/p>\n<p>Dr. Davalos gave the students a chance to listen to his heart through his stethoscope. He told the children that they\u2019re listening for the sound of \u201cthe lub and the dub.\u2019\u2019<\/p>\n<p>\u201cWhat do you think you are hearing when you hear the sound of the lub and the dub?\u2019\u2019 he asked.<\/p>\n<p>A very smart fourth-grader answered correctly: \u201cThe valves.\u2019\u2019<\/p>\n<p>\u201cYes, that\u2019s the sound of the valves opening and closing,\u2019\u2019 he said.<\/p>\n<p>He showed the children a basketball-sized model of the human heart, and explained what happens when someone has a heart attack. He pointed to the network of blood vessels known as the coronary arteries that surround the heart.<\/p>\n<p>\u201cWhen you have a heart attack, it\u2019s because one of these arteries is clogged,\u2019\u2019 Dr. Davalos said.<\/p>\n<p>As if on cue, one of the kids asked: \u201cHow does it get clogged?\u2019\u2019<\/p>\n<p>The question launched a discussion about healthy living and a few things the children could do to keep themselves healthy.<\/p>\n<p>\u201cEat right and exercise so you stay healthy. Maintain a good, healthy weight and don\u2019t eat junk food so you don\u2019t clog up your arteries with cholesterol,\u2019\u2019 he said.<\/p>\n<p>Then, with tongue-in-cheek, he asked the fourth-graders: \u201cWho here likes to smoke?\u2019\u2019<\/p>\n<p>One boy raised his hand.<\/p>\n<p>\u201cA lot of people we know and\u00a0love smoke,\u2019\u2019 he said. \u201cBut we know that most people start smoking as teenagers, and smoking gets you hooked. It\u2019s a bad thing. You\u2019ll be teenagers in a few years, and I\u2019m telling you not to start.\u2019\u2019<\/p>\n<p>One student responded: \u201cI think it smells bad.\u2019\u2019 And, another chimed in: \u201cYou can get lung cancer.\u2019\u2019 Smart kids.<\/p>\n<p>Next, the doctor used a portable ultrasound machine to show the children what the inside of his carotid artery looks like. He put a gel on his neck and the tip of the probe and then placed the probe on his neck. The kids watched the screen, where a black-and-white image of the doctor\u2019s carotid artery appeared.<\/p>\n<p>One little girl asked: \u201cIsn\u2019t that how you see babies?\u2019\u2019<\/p>\n<p>Dr. Davalos explained that the ultrasound helps doctors see babies, kidneys, the liver, pancreas, bladder and other organs.<\/p>\n<p>One child was very interested in the gel that Dr. Davalos had applied to his neck.<\/p>\n<p>\u201cAre you going to have to take a shower?\u2019\u2019 he asked.<\/p>\n<p>At the end of the fast-paced lesson, Olivia Davalos, told her father: \u201cHey Dad, guess what? I\u2019m a student of the month.\u2019\u2019<\/p>\n<p>A few minutes later, Olivia and three classmates headed down the squeaky-clean halls of St. Paul\u2019s to pick up their certificates of achievement. They had joy in their hearts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dressed in a classic schoolgirl plaid jumper, Olivia Davalos, 9, stood before her classmates and proudly proclaimed: \u201cThis is my dad. He\u2019s a cardiologist. He\u2019s a heart doctor.\u2019\u2019 For the next 30 minutes, Mrs. Denise Board\u2019s fourth-grade class at St. Paul\u2019s Catholic School in Colorado Springs got a lesson in cardiology from Dr. Jorge Davalos. [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":9707,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[7],"tags":[423,3512,82,3357],"class_list":["post-9706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stories","tag-colorado-springs","tag-heart-and-vascular-care-cardiovascular","tag-heart-and-vascular-care-cardiology","tag-lung-and-respiratory-care-pulmonology"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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