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Interpreting Electrocardiography – By Dr. Gnana Sankaralingam First step in interpretation is determining rate and rhythm. For this the rhythm srtip is used, which is recording of lead 2. Heart rate is the number of beats occuring in one minute. ECG paper is run at a speed of 300 big squares in a minute. Look at QRS complexes and measure the number of big squares between two adjacent R waves. If 300 is divided by this distance, it gives the heart rate. If the beats do not occur at regular intervals, then heart rate is irregular, which could be regularly irregular or irregularly irregular. Normal ranges for heart beats is 60 to 100 per minute. If it is more than 100 it is termed tachycardia, and if it is less than 60 it is termed bradycardia. Heart beat begins in SA node with the P wave followed by QRS complex ...

Dec 12, 2024 Posted by In Articles, Dr. Gnana Sankaralingam Tagged , , , ,
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Understanding Electrocardiography – By Dr. Gnana Sankaralingam   An electrocadiogram (ECG) is a recording of the electrical activity of the heart each time it contracts. Heart is a muscular organ whose purpose is to pump blood to tissues to supply them with oxygen. This is accomplished by four chambers, two smaller upper ones called Atria and two bigger lower ones Ventricles. Right atrium receives blood from the body while left atrium receives oxygenated blood from the lungs. They pump blood into right and left ventricles respectively. When ventricles contract, to prevent blood coming back to atria there are valves called mitral on left side and tricuspid on right side. Ventricles pump blood out of the heart, right to the lungs and left along entire circulatory system. To prevent blood returning back to ventricles there are valves, pulmonary on right side and aortic on left side. This is termed the cardiac ...

Dec 5, 2024 Posted by In Articles, Dr. Gnana Sankaralingam Tagged , , , ,
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How do you differentiate between heartburn and coronary angina? – By Dr harold Gunatillake Happy Easter Website: www.Doctorharold.com Transcript: The symptoms of a   can also be indigestion, which includes abdominal discomfort. For example, they may include a feeling of heaviness in your chest, a stomachache or heartburn. A heart attack can happen at any time, including while resting. If heart pain lasts longer than 15 minutes, it may be the start of a heart attack. There may be other prodromal signs, such as anxiety, breathlessness, fatigue, etc. Now, how do you differentiate between such a tight feeling in the chest with heartburn from acid reflux from your stomach, which also gives heartburn and similar symptoms? Stomach acid is needed to break down your food, something your stomach has no trouble handling. Your oesophagus, on the other hand, is irritated by it. That is what we are going to discuss today. ...

Apr 9, 2023 Posted by In Articles, Dr harold Gunatillake Tagged , , ,
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Doctor, I am having chest pain, worried about it? By Dr Harold Gunatillake You are not the only one. Most of us, when we pass the 60th year, slightest chest pain become a worry and cause anxiety. Seven million people around the world die from heart attacks every year and is the world’s leading killer. This video presentation will unravel some of the issues of chest pain. You may experience some muscular pains and cramps after a few stretches in your gym work or physical exercises. That sort of pain will subside within days. What we are concerned is about recurrent chest pain arising due to conditions within the chest. Chest pain appears in many forms, and you should be able to describe it to your doctor to clinch a preliminary diagnosis It ranges from a sharp stab to a dull ache. Sometimes you feel it is crushing or burning. ...

Nov 28, 2021 Posted by In Articles, Dr harold Gunatillake Tagged , , , , , ,
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