Long stethoscopes are stethoscopes with long tubes. When the length of the tube increases, the resonant frequency decreases. An increase in the length of the tube provides a better response to lower frequency sounds. Many heart sounds that fall below 150Hz are considered low frequency sounds. The human ear is least sensitive to low frequency sounds. Improved low frequency response is the advantage of using long stethoscopes for auscultation purposes.
While purchasing a stethoscope, a practitioner must consider his own requirements. A long stethoscope is suitable for a practitioner who wears the stethoscope around his neck. A practitioner’s height and length of arms are some of the factors to be considered while purchasing long stethoscopes. Sometimes, a practitioner might want to keep distance from patients while auscultation. For this purpose also, long stethoscopes are helpful. Moreover, a long stethoscope allows practitioners to bend at a minimum angle, which avoids undue stress on their lower back.
Littmann Classic II S.E. Stethoscope is an example for a long stethoscope. This stethoscope has a tube measuring 28 inches (71.1 cm). The 400 series Thermistor Esophageal stethoscope has a temperature sensor that assures optimal temperature measurement. It also provides accurate heart and breath sound quality.
Long stethoscopes generally provide better auditory response and they help in surgical settings to monitor heat and respiratory sounds and measure the core body temperature of anesthetized patients.
Long stethoscopes can be bought from retail outlets as well as online stores. The payment can be made by using visa card, master card etc.