** Hypokalemia in ECG (Correct answer is prominent U wave).
** The following murmur increased by inspiration (Correct answer is tricuspid regurge).
** Prominent pulmonary artery in X-ray (Correct answer in mitral stenosis).
** The following murmur increased by inspiration (Correct answer is tricuspid regurge).
** Prominent pulmonary artery in X-ray (Correct answer in mitral stenosis).