Effect of Cold Application to Different Side Neck Region on Venous Cannulation Pain

"Marble stones with dimensions of 4x5 cm will be used for cold application. When placed in the freezer compartment of the refrigerator at -10°C (Celsius) for 4 minutes, they cool down to 11°C. Subsequently, in 1 minute, the temperature rises to 12°C when held in the palm. After being placed on a table at room temperature, it reaches 18°C in 5 minutes."