id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-263346-pu1jci26	Peng, Qian-Yi	Using echocardiography to guide the treatment of novel coronavirus pneumonia	2020-04-10		.txt	text/plain	1036	56	35	Abnormal findings include (1) hyperdynamic cardiac function, presented as the increase of cardiac output (CO) and ejection faction (EF) of the left ventricular (LV), with/without the decrease of peripheral vascular resistance, which is often seen in the early stage following the systemic inflammatory response; (2) acute stress-induced (takotsubo) cardiomyopathy, characterized as LV segmental contraction abnormalities and apical ballooning [1] ; (3) right ventricular (RV) enlargement and acute pulmonary hypertension, which are mainly caused by "internal factors" (including alveolar and pulmonary capillary damage caused by inflammation, hypoxia, and hypercapnia, leading to the increase of RV afterload) and "external factors" (including fluid overload, which causes the increase of RV preload, and unsuitable mechanical ventilation parameter setting, which affects the cardiac function by cardiopulmonary interaction); further, LV function will be affected because the right and left hearts are in the same pericardium; and (4) diffuse myocardial inhibition in the late stage, which is often caused by severe hypoxia, and long term of anoxia and inflammation.	./cache/cord-263346-pu1jci26.txt	./txt/cord-263346-pu1jci26.txt