{"meta":{"status":200,"messages":[],"pagination":{"max":1,"offset":0,"count":1,"total":1,"pageNum":1,"totalPages":1,"sort":null,"currentUrl":"https://api.digitalmedia.hhs.gov/api/v2/resources/media.json?offset=0&max=1&ignoreHiddenMedia=1&format=json&id=18770&newUrlBase=https://www.nhlbi.nih.gov/subscribe/","nextUrl":null,"previousUrl":null}},"results":[{"content":"<body>\n <div class=\"syndicate\"> \n  <div> \n   <div> \n    <div> \n     <h1 autofocus=\"true\"> Conduction Disorders - Signs, Symptoms, and Complications - Signs, Symptoms, and Complications </h1> \n     <div> \n      <div> \n       <div> \n        <div> \n         <div> \n          <div> \n           <p>Many people who have conduction disorders, such as first-degree AV block, may have no obvious <span><span><a href=\"#glossary-term-modal-83412\" aria-controls=\"glossary-term-modal-83412\" data-open-modal=\"glossary-term-modal-83412\" data-id=\"83412\"> signs <i aria-hidden=\"true\"></i> </a> <span aria-labelledby=\"glossary-term-modal-83412-heading\" aria-describedby=\"glossary-term-modal-83412-description\"> <span> <span> <span> <span>sign</span> <button type=\"button\" aria-label=\"Close this window\" data-close-modal> <i></i> </button> </span> <span> <span>(SINE):</span><br> <span>In medicine, signs are evidence of disease that can be found or measured during a physical exam, laboratory test, or medical procedure; some examples include fever, high blood pressure readings, high levels of cholesterol in the blood, high levels of immune cells or inflammatory markers in the blood or other body sample, increased body mass index, low oxygen or high carbon dioxide levels in the blood, and abnormal imaging, biopsy, or other test results.</span> </span> </span> </span> </span></span></span> or <span><span><a href=\"#glossary-term-modal-83414\" aria-controls=\"glossary-term-modal-83414\" data-open-modal=\"glossary-term-modal-83414\" data-id=\"83414\"> symptoms <i aria-hidden=\"true\"></i> </a> <span aria-labelledby=\"glossary-term-modal-83414-heading\" aria-describedby=\"glossary-term-modal-83414-description\"> <span> <span> <span> <span>symptom</span> <button type=\"button\" aria-label=\"Close this window\" data-close-modal> <i></i> </button> </span> <span> <span>(SIMP-tum):</span><br> <span>A problem that a patient experiences that may indicate disease but cannot be seen and does not show up on medical tests or procedures; some examples include headache, fatigue, nausea, or pain.</span> </span> </span> </span> </span></span></span>. Others may have signs and symptoms that occur in specific situations, such as when you experience physical or emotional stress or when you sleep. Conduction disorders can lead to life-threatening arrhythmias if undiagnosed or untreated.</p> \n          </div> \n         </div> \n        </div> \n       </div> \n       <div data-viewtype=\"general-accordion \" role=\"tablist\"> \n        <h3> \n         <div>\n           Signs and symptoms \n         </div> <span> - Conduction Disorders - Signs, Symptoms, and Complications </span> </h3> \n        <div> \n         <div> \n          <div> \n           <p>You may experience the following signs or symptoms if you have a conduction disorder:</p> \n           <ul> \n            <li><span><span><a href=\"#glossary-term-modal-84472\" aria-controls=\"glossary-term-modal-84472\" data-open-modal=\"glossary-term-modal-84472\" data-id=\"84472\"> fatigue <i aria-hidden=\"true\"></i> </a> <span aria-labelledby=\"glossary-term-modal-84472-heading\" aria-describedby=\"glossary-term-modal-84472-description\"> <span> <span> <span> <span>fatigue</span> <button type=\"button\" aria-label=\"Close this window\" data-close-modal> <i></i> </button> </span> <span> <span>(fuh-TEEG):</span><br> <span>A condition following a period of mental or physical activity that is marked by extreme tiredness or weariness and inability to function due to lack of energy. Fatigue may be acute or chronic.</span> </span> </span> </span> </span></span></span></li> \n            <li>Dizziness or lightheadedness</li> \n            <li>Slow or fast heart rate</li> \n            <li>Shortness of breath</li> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/heart-palpitations\">Heart palpitations</a></li> \n            <li>Chest pain or discomfort</li> \n            <li>Abdominal pain</li> \n            <li>Nausea</li> \n            <li>Fainting or loss of consciousness</li> \n            <li>Gasping or labored breathing during sleep</li> \n            <li>Seizures</li> \n           </ul> \n          </div> \n         </div> \n        </div> \n        <h3> \n         <div>\n           Complications \n         </div> <span> - Conduction Disorders - Signs, Symptoms, and Complications </span> </h3> \n        <div> \n         <div> \n          <div> \n           <p>Complications of conduction disorders may be serious or life-threatening, and they include the following:</p> \n           <ul> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/arrhythmia\"><strong>Arrhythmia</strong></a>,<strong> </strong>or irregular heart rhythm, which may be life-threatening</li> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/heart-failure\"><strong>Heart failure</strong></a></li> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/stroke\"><strong>Stroke</strong></a> caused by <a href=\"https://www.nhlbi.nih.gov/health-topics/atrial-fibrillation\">atrial fibrillation</a> in SSS</li> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/sudden-cardiac-arrest\"><strong>Sudden cardiac arrest</strong></a><strong> </strong></li> \n           </ul> \n          </div> \n         </div> \n        </div> \n        <h3> \n         <div>\n           Look for \n         </div> <span> - Conduction Disorders - Signs, Symptoms, and Complications </span> </h3> \n        <div> \n         <div> \n          <div> \n           <ul> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/conduction-disorders#diagnosis\">Diagnosis</a> will discuss tests and procedures used to detect signs of a conduction disorder and help rule out other conditions that may mimic conduction disorders.</li> \n            <li><a href=\"https://www.nhlbi.nih.gov/health-topics/conduction-disorders#treatment\">Treatment</a> will explain approaches to preventing or alleviating problems caused by conduction disorders.</li> \n           </ul> \n          </div> \n         </div> \n        </div> \n       </div> \n      </div> \n     </div> \n    </div> \n   </div> \n  </div> \n </div>\n <script type=\"application/ld+json\">{\"@context\":\"http://schema.org\",\"@type\":\"Article\",\"headline\":\"Conduction Disorders - Signs, Symptoms, and Complications\",\"datePublished\":\"2019-03-08T15:03:00Z\",\"description\":\"Many people who have conduction disorders, such as first-degree AV block, may have no obvious signs or symptoms. Others may have signs and symptoms that occur in specific situations, such as when you experience physical or emotional stress or when you sleep. Conduction disorders can lead to life-threatening arrhythmias if undiagnosed or untreated.\",\"about\":\"heart block\",\"audience\":\"\",\"dateCreated\":\"2019-03-08T15:03:00Z\",\"dateModified\":\"2026-18-14T03:18:06Z\",\"sourceOrganization\":\"National Heart, Lung, and Blood Institute\"}</script>\n</body><div class='syndicate'><span><Strong>Syndicated Content Details:</strong></span><br/><span>Source URL: <a href='https://www.nhlbi.nih.gov/subscribe/4312'>https://www.nhlbi.nih.gov/subscribe/4312</a></span><br/><span>Source Agency: <a href='http://www.nhlbi.nih.gov'>National Heart, Lung, and Blood Institute (NHLBI)</a></span><br/><span>Captured Date: 2019-08-08 15:03:00.0</span><br/></div><iframe src=\"//www.googletagmanager.com/ns.html?id=GTM-KT9TM9&mediaId=18770&mediaType=html&sourceUrl=https%3A%2F%2Fwww.nhlbi.nih.gov%2Fsubscribe%2F4312&userId=-1&sourceId=9&sourceAcronym=NHLBI&campaignId=-1&campaignName=null&languageId=1&isoCode=eng\" height=\"0\" width=\"0\" style=\"display:none;visibility:hidden\"></iframe><noscript><iframe src=\"//www.googletagmanager.com/ns.html?id=GTM-KT9TM9&mediaId=18770&mediaType=html&sourceUrl=https%3A%2F%2Fwww.nhlbi.nih.gov%2Fsubscribe%2F4312&userId=-1&sourceId=9&sourceAcronym=NHLBI&campaignId=-1&campaignName=null&languageId=1&isoCode=eng\" height=\"0\" width=\"0\" style=\"display:none;visibility:hidden\"></iframe></noscript>","description":"Many people who have conduction disorders, such as first-degree AV block, may have no obvious signs or symptoms. Others may have signs and symptoms that occur in specific situations, such as when you experience physical or emotional stress or when you sleep. Conduction disorders can lead to life-threatening arrhythmias if undiagnosed or untreated.","id":18770,"mediaType":"Html","name":"Conduction Disorders - Signs, Symptoms, and Complications","sourceUrl":"https://www.nhlbi.nih.gov/subscribe/4312"}]}