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Differentiating Between Cardiac and Non-Cardiac Chest Pain

All About Cardiovascular System and Disorders

The typical pain of cardiac origin is a central chest pain which occurs on walking or other forms of exercise, known as effort angina. Effort angina is commonly due to significant obstruction to a blood vessel (coronary artery) supplying a part of the heart muscle. Pain is likely to be more if you are walking after a heavy meal.

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Important Normal Values for ECG

All About Cardiovascular System and Disorders

That is usually with angina and ventricular strain patterns. PR segment elevation and depression can occur in atrial infarction and pericarditis. So in anterior leads, for diagnosis of ST elevation myocardial infarction, V1, the cutoff is usually 2 mm, while 1 mm is enought in other leads. When there is ST depression, even 0.5