Flow Volume Loops. 1  Peak Expiratory Flow Rate (PEFR) 2  Forced Expiratory Volume after 0.5 seconds (FEV0.5) 3  Forced Expiratory Volume after 1 second (FEV1) 4  Forced Expiratory Volume after 3 seconds (FEV3) 5  Forced Expiratory Volume after 6 seconds (FEV6) 6  Forced Vital Capacity (FVC) 7  Forced Expiratory Flow at 25% of FVC (FEF25)
Phantom limb pain (PLP) refers to ongoing painful sensations that seem to be coming from the part of the limb that is no longer there. The limb is gone, but the pain is real. The onset of this pain most often occurs soon after surgery. It can feel like a variety of things, such as burning, twisting, itching or pressure.
Causes of Visceral pain. Visceral pain originates from body's viscera, or organs. Visceral nociceptors are located within body organs and internal cavities. The even greater scarcity of nociceptors in these areas produces pain that is usually more aching or cramping and of a longer duration than somatic pain. more causes...Â».