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'''Electrocardiography''' may show the presence of right ventricular hypertrophy (deep S-waves) and signs of myocardial hypoxia (ST segment abnormalities).
'''Electrocardiography''' may show the presence of right ventricular hypertrophy (deep S-waves) and signs of myocardial hypoxia (ST segment abnormalities).
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'''Echocardiography''' may be used to calculate pulmonary arterial pressures. It may also show enlargement of the right-side of the heart and enable visualisation of mitral or tricuspid regurgitation.
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'''Echocardiography''' may be used to calculate pulmonary arterial pressures. It may also show enlargement of the right-side of the heart and enable visualisation of mitral or tricuspid regurgitation.<gallery caption="[[File:Enlarged pulmonary artery.jpg|thumb|354x354px|Enlarged pulmonary artery]]">
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</gallery>
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<gallery caption="[[File:Diagnosis of Pulmonary Hypertension.jpg|thumb|340x340px|Enlarged right atrium and ventricle]]">
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</gallery>
== Treatment ==
== Treatment ==