<prompt> The central venous pressure CVP is slow in-Pericardial effusionMassive pulmonary embolismAcute left ventricular failureTension pneumothorax  <response>: Factors Increasing Central Venous Pressure A decrease in cardiac output either due to decreased hea rate or stroke volume e.g., in ventricular failure results in blood backing up into the venous circulation increased venous volume as less blood is pumped into the aerial circulation. Ref Davidson 23rd edition pg 453 