{"id":2156,"date":"2024-06-26T14:36:27","date_gmt":"2024-06-26T11:06:27","guid":{"rendered":"https:\/\/dgdena.scarheal.ir\/?p=2156"},"modified":"2025-08-30T05:46:59","modified_gmt":"2025-08-30T05:46:59","slug":"electrocardiogram-test-and-results","status":"publish","type":"post","link":"https:\/\/dgdena.com\/en\/electrocardiogram-test-and-results\/","title":{"rendered":"Electrocardiogram (ECG) Test and Results"},"content":{"rendered":"<h2 id=\"heading-What-is-an-Electrocardiogram-ECG-or-EKG-\" ><span id=\"input-sentence~0\">What is an Electrocardiogram (ECG or EKG)?<\/span><\/h2>\n<p><span id=\"input-sentence~0\">An <a href=\"https:\/\/en.wikipedia.org\/wiki\/Electrocardiography\" target=\"_blank\" rel=\"noopener\">electrocardiogram<\/a>, commonly abbreviated as ECG or EKG, is a harmless, painless test that plots the electrical currents of your heart. It is the most common diagnostic test in cardiology, and it helps doctors diagnose heart rhythm disorders, heart attacks, and other cardiovascular diseases.<\/span><span id=\"input-sentence~1\"> As a patient scheduled for an ECG, a medical student, or one who just wants to learn about heart health, this manual provides everything you would like to learn.<\/span><\/p>\n<h2 id=\"heading-How-Does-an-Electrocardiogram-ECG-Work-\" ><span id=\"input-sentence~1\">How Does an Electrocardiogram (ECG) Work?<\/span><\/h2>\n<p><span id=\"input-sentence~1\">Your heart is pumping because of electrical impulses that lead to contractions of muscles.<\/span><span id=\"input-sentence~2\"> The ECG machine measures the impulses using electrodes on your arms, legs, and chest. The test records the signals as waveforms, which are read by doctors to assess the performance of your heart.<\/span><\/p>\n<h3 id=\"heading-Important-ECG-Wave-Components-\" ><span id=\"input-sentence~2\">Important ECG Wave Components:<\/span><\/h3>\n<ul>\n<li><span id=\"input-sentence~2\">P Wave: Indicates atrial depolarization (upper chambers contracting).<\/span><\/li>\n<li><span id=\"input-sentence~3\">QRS Complex: Indicates ventricular depolarization (lower chambers contracting).<br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~3\">T Wave: Represents ventricular repolarization (the heart unwinding itself in preparation for the next beat).<br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~3\">U Wave (if present): May suggest electrolyte imbalance or cardiac disease.<\/span><\/li>\n<\/ul>\n<h2 id=\"heading-Why-is-an-ECG-Test-Important-\" >Why is an ECG Test Important?<\/h2>\n<p><span id=\"input-sentence~4\">An electrocardiogram is an essential diagnostic tool for the prevention and detection of life-threatening heart abnormalities, including:<\/span><\/p>\n<ul>\n<li><span id=\"input-sentence~4\">Arrhythmias (irregular heart rhythm) determine atrial fibrillation (AFib), bradycardia (slow heart rate), or tachycardia (fast heart rate).<\/span><\/li>\n<li><span id=\"input-sentence~4\">Heart Attack (Myocardial Infarction) uncovers obstructed arteries or previous heart injury.<\/span><\/li>\n<li><span id=\"input-sentence~5\">Coronary Artery Disease (CAD) restricts blood flow to the heart.<\/span><\/li>\n<li><span id=\"input-sentence~5\">Heart Failure, uncover enlarged or damaged heart muscles.<\/span><\/li>\n<li>Structural abnormalities detect thickened heart walls or birth abnormalities.<\/li>\n<\/ul>\n<h2 id=\"heading-Types-of-Electrocardiogram\" ><span id=\"input-sentence~5\">Types of E<span id=\"input-sentence~4\">lectrocardiogram<\/span><\/span><\/h2>\n<ul>\n<li><span id=\"input-sentence~5\">Resting ECG: Taken while in a reclined position; assesses normal cardiac function.<\/span><span id=\"input-sentence~6\"><br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~6\">Stress Test (Exercise ECG): Tests heart during exertion (treadmill\/cycle).<br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~6\">Holter Monitor: 24-48 hour ambulatory ECG worn to monitor occasional symptoms.<br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~6\">Event Monitor: Records heart activity for weeks, turned on only during symptoms.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5612 aligncenter\" src=\"https:\/\/dgdena.com\/en\/wp-content\/uploads\/2024\/06\/Electrocardiogram-1024x610.jpg\" alt=\"Electrocardiogram\" width=\"801\" height=\"477\" \/><\/p>\n<h3 id=\"heading-What-to-Do-Before-and-During-an-Electrocardiogram-\" >What to Do Before and During an E<span id=\"input-sentence~4\">lectrocardiogram <\/span>?<\/h3>\n<p><span id=\"input-sentence~7\"><strong>Before the Test:<\/strong><\/span><\/p>\n<ul>\n<li><span id=\"input-sentence~7\">Avoid oily skin creams (can interfere with electrode contact).<\/span><\/li>\n<li><span id=\"input-sentence~7\">Wear loose clothing to allow easy placement of electrodes.<\/span><\/li>\n<li><span id=\"input-sentence~7\">Take off metal objects (jewelry, watches) to avoid interference with signals.<\/span><\/li>\n<\/ul>\n<p><strong><span id=\"input-sentence~7\">During the Test:<\/span><\/strong><\/p>\n<ul>\n<li><span id=\"input-sentence~7\">A technician attaches 10-12 sticky electrodes to your chest, arms, and legs.<\/span><span id=\"input-sentence~8\"><br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~8\">The ECG machine records heart signals for 5-10 minutes (painless and quick).<br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~8\">You must remain still and breathe normally to avoid distorted results.<br \/>\n<\/span><\/li>\n<\/ul>\n<p><strong><span id=\"input-sentence~8\">After the Test:<\/span><\/strong><\/p>\n<ul>\n<li><span id=\"input-sentence~8\">No recovery time needed; you can continue with your daily routine immediately.<\/span><\/li>\n<li><span id=\"input-sentence~8\">A cardiologist interprets and reports results to you.<\/span><\/li>\n<\/ul>\n<h3 id=\"heading-How-to-read-an-ECG-result-\" ><span id=\"input-sentence~9\">How to read an ECG result?<\/span><\/h3>\n<p><span id=\"input-sentence~9\"><strong>Normal ECG Results:<\/strong><\/span><\/p>\n<ul>\n<li><span id=\"input-sentence~9\">Heart rate: 60-100 BPM<\/span><\/li>\n<li><span id=\"input-sentence~9\">Normal rhythm (regular P-QRS-T waves)<\/span><\/li>\n<li><span id=\"input-sentence~9\">No ST-segment elevation\/depression<\/span><\/li>\n<\/ul>\n<p><span id=\"input-sentence~9\"><strong>Abnormal Findings on an ECG &amp; Likely Causes:<\/strong><\/span><\/p>\n<ul>\n<li><span id=\"input-sentence~9\">Bradycardia (&lt;60 BPM): Due to either heart block or hypothyroidism.<\/span><\/li>\n<li><span id=\"input-sentence~10\">Tachycardia (&gt;100 BPM): A symptom of stress, fever, or cardiial disease.<\/span><\/li>\n<li><span id=\"input-sentence~10\">Atrial Fibrillation (AFib): Abnormal P waves, heightened stroke risk.<\/span><\/li>\n<li><span id=\"input-sentence~10\">ST-Segment Changes: Hints of heart attack or ischemia (inadequate blood flow).<\/span><\/li>\n<li><span id=\"input-sentence~10\">Prolonged QT Interval: Greater life-threatening arrhythmias risk.<\/span><span id=\"input-sentence~11\"><br \/>\n<\/span><\/li>\n<\/ul>\n<h3 id=\"heading-What-are-the-side-effects-of-an-ECG-\" >What are the side effects of an ECG?<\/h3>\n<p><span id=\"input-sentence~11\"><span id=\"input-sentence~4\">Electrocardiogram <\/span>is extremely safe, with no radiation and no serious risks. But:<\/span><\/p>\n<ul>\n<li><span id=\"input-sentence~11\">A few patients may develop mild skin irritation from electrodes.<br \/>\n<\/span><\/li>\n<li><span id=\"input-sentence~11\">A routine ECG does not rule out heart disease; further tests (e.g., an echocardiogram) may be needed.<\/span><\/li>\n<\/ul>\n<h2 id=\"heading-Advanced-ECG-Technology-Dena-Electrocardiograph-Device\" class=\"Editor_t__not_edited_long__JuNNx\"><span class=\"Editor_t__not_edited_long__JuNNx\">Advanced ECG Technology: Dena Electrocardiograph Device<\/span><\/h2>\n<p><span class=\"Editor_t__not_edited_long__JuNNx\">Dena electrocardiograph device is <\/span><span class=\"Editor_t__added__LtuNJ\">quite<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">possibly<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">\u00a0the most comprehensive electrocardiogram\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">test<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">equipment<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">on the market<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">. The Dena model DG-7000 is completely PC-based<\/span><span class=\"Editor_t__added__LtuNJ\">\u00a0<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">for the utmost convenience of patients and healthcare\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">professionals<\/span><span class=\"Editor_t__not_edited__WuRP8\">.<\/span><\/p>\n<p>This device\u00a0<span class=\"Editor_t__added__LtuNJ\">saves<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0patient ECG test\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">data<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">\u00a0and results, assisting doctors and\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">medical<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">professionals<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">to<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">conduct<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">\u00a0better and more accurate evaluations.\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">In addition<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">, it connects to computers via WiFi and USB and\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">is<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">capable<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">of printing\u00a0<\/span><span class=\"Editor_t__not_edited__WuRP8\">test results\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">on<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">regular<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0printers.<\/span><\/p>\n<p><strong><span class=\"Editor_t__added__LtuNJ\">Other<\/span><\/strong><span class=\"Editor_t__not_edited_long__JuNNx\"><strong>\u00a0Features:<\/strong><\/span><\/p>\n<p>Telecardiology: Remote\u00a0<span class=\"Editor_t__added__LtuNJ\">diagnosis<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0and\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">monitoring<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">.<br \/>\nHospital View: Allows viewing the patient&#8217;s ECG from\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">inside<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">\u00a0the hospital, useful when the patient is\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">being transported\u00a0<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">in an ambulance and quick access is not possible.<br \/>\nRemote Results Transmission: Sends ECG results to doctors\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">away<\/span><span class=\"Editor_t__not_edited__WuRP8\">\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">from\u00a0<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">the hospital.<br \/>\nMobile Access: Allows\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">for the\u00a0<\/span><span class=\"Editor_t__not_edited__WuRP8\">viewing\u00a0<\/span><span class=\"Editor_t__added__LtuNJ\">of\u00a0<\/span><span class=\"Editor_t__not_edited_long__JuNNx\">the ECG through a mobile phone.<br \/>\nAmbulance Usability: Can be used in ambulances for real-time monitoring.<\/span><\/p>\n<p><a href=\"https:\/\/dgdena.com\/en\/product\/electrocardiograph\/\"><span style=\"color: #3366ff;\"><strong>For more information about the Dena electrocardiograph device, click here.<\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is an Electrocardiogram (ECG or EKG)? An electrocardiogram, commonly abbreviated as ECG or EKG, is a harmless, painless test that plots the electrical currents of your heart. It is the most common diagnostic test in cardiology, and it helps doctors diagnose heart rhythm disorders, heart attacks, and other cardiovascular diseases. As a patient scheduled&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2157,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2156","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medical"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/posts\/2156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/comments?post=2156"}],"version-history":[{"count":2,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/posts\/2156\/revisions"}],"predecessor-version":[{"id":6655,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/posts\/2156\/revisions\/6655"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/media\/2157"}],"wp:attachment":[{"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/media?parent=2156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/categories?post=2156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgdena.com\/en\/wp-json\/wp\/v2\/tags?post=2156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}