The ventricular action potential has a long refractory period so that the mechanical response of the ventricle will be discrete; one coordinated mechanical response per electrâ¦ical activation sequence. Otherwise, with additional electrical stimuli, the mechanical responses would summate producing a prolonged contraction.
Microfracture Technique. Overview. Microfracture is a surgical technique that has been developed to treat chondral defects, which are damaged areas of articular cartilage of the knee. It is a common procedure used to treat patients with full thickness damage to the articular cartilage that goes all the way down to the bone.
What is a tincture you may ask... Tinctures are liquid extracts made from herbs that you take orally (by mouth). They are usually extracted in alcohol (known here on our website as regular), but they can also be extracted in vegetable glycerine or apple cider vinegar (non-alcohol). Tinctures are easy and convenient to use.