In the steady state, cardiac output equals. venous return. Factors that cause hypereffective heart. Sympathetic stimulation can increase the effectiveness of the heart via: (2) increasing the strength of heart contraction. Factors that can cause a hypoeffective heart: (1) coronary artery blockage.
Thursday, March 19, 2015 - 11:09. Ed Sheeran has added yet another amazing accolade to his collection with the news that his global smash hit sophomore album X has hit the 2 million sales mark, joining a select band of chosen superstars to hit the same achievement.
Thank you to the fans on Spotify for making Beauty Behind the Madness the most streamed album of 2015â, said The Weeknd. Ed Sheeran is now the most streamed artist of all time on Spotify, with more than 3 billion streams to date, and with over 59 million listeners this year.