英语语法分析

Objective To discuss the characteristic of acute heart failure (AHF).

目的探讨持续性血液透析患者并发急性左心衰竭的特点。

Collect data from project sites and report to AHF Global Affair Administration office regularly.

定期收集项目点治疗进展数据，并向基金会相关科室汇报。

In the absence of hypotension, vasodilators are recommended for most patients with AHF as first line therapy.

AHF不伴低血压患者的一线治疗药物为血管扩张剂。