What condition is referred to as forward failure of the left ventricle?

The condition referred to as forward failure of the left ventricle is primarily associated with cardiogenic shock. In this context, forward failure denotes the heart's inability to effectively pump blood forward, which can result from various cardiac issues leading to inadequate perfusion of tissues and organs.

In cardiogenic shock, the left ventricle fails to maintain sufficient cardiac output due to its decreased contractility, often stemming from conditions such as myocardial infarction. This failure to pump blood efficiently can lead to significant systemic effects, including decreased blood pressure, organ dysfunction, and ultimately, a life-threatening situation.

While conditions like right ventricular failure, pulmonary embolism, or myocardial infarction can affect blood flow and cardiac function, they do not precisely define the forward failure mechanism of the left ventricle, as described in the question. Forward failure specifically highlights the failure to maintain adequate blood flow from the left ventricle into the systemic circulation. Thus, the understanding of cardiogenic shock is crucial in recognizing forward failure as it emphasizes how left ventricular dysfunction directly contributes to systemic hypoperfusion.