Stethoscope is an acoustic device for auscultation, its invalueable tool in assessment of heart, lung and intestine and improved a lot since inception. First invented in france in year of 1816 by rene laennec and improved upto modern design by david littman in 1960,and become a symbol of health professionals.
Different uses of stethoscope are: Lungs to detect rales,rhonchi and wheeze Heart to know rate,rhythm and altered noise as murmurs and gallops Intestinal sounds...as absent peristaltic sounds,low or high sounds(gurgling) Blood flow in arteries and veins as bruits Fetal heart sounds For measurment of blood pressure Types of stethscopes are: Acoustic most extensivly used device,handy cheaper and most informative Electronic amplify heart sounds in louder sounds Doppler stethoscope works as 2d echo may be more informative in heart diseases, electronic and doppler can not compete with…
