What is false concerning compression dressings?

The option stating that it is appropriate to leave the heel out when applying compression dressings to help in ambulation is considered false because the heel is a critical area that requires compression for effective management of edema and venous insufficiency. Leaving the heel exposed or without proper compression can lead to inadequate treatment of conditions such as venous ulcers or lymphedema. Proper application of compression dressings should encompass the entirety of the affected limb, including the heel, to maintain optimal circulation, provide support, and aid in the healing process.

In contrast, the other options are true descriptions of compression dressings. Short stretch dressings indeed provide low compression at rest, allowing for greater mobility while providing increased compression during standing or movement, which can help with venous return. The mention of specific examples like Unna boot and Coban as short stretch dressings is accurate as both are designed to deliver controlled compression. Additionally, long stretch dressings, known for their high resting tension and elasticity, are correctly identified with brands like SurePress and Coban, which facilitate the application of compression while accommodating changes in limb shape during movement.