The Mariana Islands are shown, with the territory of Guam to the extreme south, and the Commonwealth of the Northern Mariana Islands (14 islands) to the north. Active volcanoes are shown with triangles. The Mariana Islands (also the Marianas) are a crescent-shaped archipelago comprising the summits of fifteen mostly dormant volcanic mountains in the western North Pacific Ocean, between the 12th and 21st parallels north and along the 145th meridian east.
People with congestive heart failure are often given pacemakers to help their hearts pump more efficiently. But doctors have been puzzled by about 40 percent of people given those devices who don't get any better. They often wind up in the hospital, or they die. Now researchers say they've got the problem figured out.
This back-up causes fluid congestion in the tissues. When that congestion occurs in the lungs, the person experiences shortness of breath. People with mild or moderate congestive heart failure who are well controlled with cardiac medications can live relatively active lives.Medications, which increase the pumping power of the heart muscles, give such folks some relief from the associated fatigue, difficulty breathing, and swelling in the extremities.ee all 52 questions about Congestive Heart Failure it as congestive heart inefficiency! With mild to moderate CHF, the heart is not as powerful as it once was. As less blood is pumped out of the heart with each beat, the blood returning to the heart through the veins backs up.