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Da Costa's syndrome, also known as soldier's heart among other names, was a syndrome or a set of symptoms similar to those of heart disease.These include fatigue upon exertion, shortness of breath, palpitations, sweating, chest pain, and sometimes orthostatic intolerance.
This person was eventually diagnosed with tachycardia-induced cardiomyopathy. [7] There are no specific diagnostic criteria for TIC, and it can be difficult to diagnose for a number of reasons. First, in patients presenting with both tachycardia and cardiomyopathy, it can be difficult to distinguish which is the causative agent. [5]
Certain endocrine disorders such as pheochromocytoma can also cause epinephrine release and can result in tachycardia independent of nervous system stimulation. Hyperthyroidism can also cause tachycardia. [15] The upper limit of normal rate for sinus tachycardia is thought to be 220 bpm minus age. [citation needed]
Tachycardia that is not sinus tachycardia usually results from the addition of abnormal impulses to the normal cardiac cycle. Abnormal impulses can begin by one of three mechanisms: automaticity, re-entry, or triggered activity. A specialized form of re-entry which is both common and problematic is termed fibrillation. [citation needed]
While the Cold War itself never escalated into direct confrontation, there were a number of conflicts and revolutions related to the Cold War around the globe, spanning the entirety of the period usually prescribed to it (March 12, 1947 to December 26, 1991, a total of 44 years, 9 months, and 2 weeks). [1] [2]
The Cold War was a period of global geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 until the dissolution of the Soviet Union in 1991.
The United States and the End of the Cold War: Implications, Reconsiderations, Provocations (1992) Gaddis, John Lewis and LaFeber, Walter. America, Russia, and the Cold War, 1945–1992 7th ed. (1993) Gaddis, John Lewis. The Cold War: A New History (2005) Garthoff, Raymond. The Great Transition:American-Soviet Relations and the End of the Cold ...
World map of alliances in 1970 The 1975 Apollo-Soyuz space rendez-vous, one of the attempts at cooperation between the US and the USSR during the détenteThe Cold War (1962–1979) refers to the phase within the Cold War that spanned the period between the aftermath of the Cuban Missile Crisis in late October 1962, through the détente period beginning in 1969, to the end of détente in the ...