Which type of shock includes pump problems like myocardial contusion and tension pneumothorax?

Cardiogenic shock is characterized by the heart's inability to pump sufficient blood to meet the body's needs, which can arise from a variety of conditions affecting the heart's function. Myocardial contusion, a bruise of the heart muscle often caused by blunt trauma, can impair the heart's ability to pump effectively, leading to decreased cardiac output and subsequent shock. Similarly, a tension pneumothorax, which occurs when air becomes trapped in the pleural space and exerts pressure on the lungs and heart, can severely compromise cardiac function and cause cardiogenic shock by reducing venous return to the heart.

In this context, the other types of shock mentioned do not primarily relate to pump problems. Obstructive shock also involves situations where blood flow is impeded, but it focuses on conditions such as pulmonary embolism or cardiac tamponade rather than direct cardiac function issues. Relative and absolute hypovolemia pertain to the volume of blood in the circulatory system; relative hypovolemia occurs when blood vessel capacity is increased, while absolute hypovolemia indicates a loss of blood volume. Neither of these concepts involve cardiac pump failure directly, which is why cardiogenic shock is the appropriate classification for conditions like myocardial contusion and tension pneum