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cardiac thoracic ratio is the ratio size of your heart to your lungs on the x-ray. so, it is width of the opacity of the heart/width of the opacity of both of the lungs average value is 1/3, but the maximum normal range is 1/2 if the size of the heart increases more than this, it means there is a disease condition of the heart.
ratio of PT to normal
Cardiothoracic ratio
Eucardia is normal heart rate/heart beat.Eucardia is the medical term meaning normal heart rate.
If the technetium heart scan is normal, no technetium will show up in the heart.
Normal heart rate is between 60 and 100
Normal Axis is the situation of the heart when progress ussualy.
0.3
0.84-1.22
A normal echocardiogram shows a normal heart structure and the normal flow of blood through the heart chambers and heart valves
http://wiki.answers.com/Q/What_is_the_normal_international_normal_ratio_when_taking_coumadin"
International Nomalized Ratio of 1.0