<prompt> Which of the following is not a clinical sign associated with mitral stenosis?Malar flushAtrial fibrillationPan-systolic murmur which radiates to axillaTapping, undisplaced apex beat  <response>: Malar flush, atrial fibrillation, and a tapping apex beat which occurs secondary to pulmonary hypertension, are all clinical signs associated with mitral stenosis. On auscultation of the precordium, a mid-diastolic murmur opening snap, representing a mobile valve is heard rather than a pan-systolic murmur which isusually heard in mitral regurgitation, tricuspid regurgitation and ventricular septal defects. 