The diagnostic tool that would be helpful in diagnosing this would be echocardiogram. It is the most suited tool because it the functions and the structure of the ventricles can be clearly or easily observed. It can show dysrhythmias and the changes that happens in the left ventricular hypertrophy.
Answer:
A. Place her in a comfortable position, assist her in taking another nitroglycerin tablet, and administer oxygen
B - paying no attention to the dietary habits of those around you
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True. It can loosen up the muscles and make the pain less.