A continuous disorganized contraction (quiver) of heart muscle fibers is called . The absence of preceding P waves in the ECG rhythm strip would indicate . Systole; atrial fibrillation Heart attack; ventricular fibrillation Fibrillation; atrial fibrillation Coronary artery obstruction; atrial fibrillation Cardiac incapacity; ventricular fibrillation

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Snorkeling is a sport that doesn’t require core muscle strength.

Have you noticed any bruising or bleeding? " glucosamine and chondroitin are dietary supplements commonly used to treat osteoarthritis. both glucosamine and chondroitin may increase the risk of bleeding. anticoagulant therapy is indicated for patients with atrial fibrillation to reduce the risk of a thromboembolism and a stroke. use of glucosamine and chondroitin along with an anticoagulant may precipitate excessive bleeding. glucosamine may decrease the effectiveness of insulin or other drugs used to control blood glucose levels, and hyperglycemia may occur. peripheral neuropathy symptoms that can develop with prolonged hyperglycemia include numbness and tingling in the feet.

Arthritis results when synovial joints are damaged and can no longer move freely. the joints between the ossicles, found in the middle ear, are synovial joints. if they became stiff from arthritis and their movements were limited, sound waves striking the tympanic membrane would not be efficiently transferred to the oval window of the cochlea. without that transmission, the fluid in the cochlea cannot move the hair cells on the organ of corti. if those hair cells do not move, no impulses relaying information about sound can be generated.