What are the most common complications of myocardial infarction? (Select all that apply)
(Select All that Apply.)

A. Increase peripheral resistance: An increase in peripheral resistance contributes to hypertension by raising the pressure in the arteries. This condition often results from vasoconstriction or structural changes in the blood vessels, leading to higher overall blood pressure.

B. Decrease in cardiac output: A decrease in cardiac output typically does not cause hypertension. In fact, low cardiac output may lead to hypotension (low blood pressure) since there is less blood being pumped into the circulatory system. This option is the exception when discussing physiological causes of hypertension.

C. Both increased cardiac output and peripheral resistance: Both increased cardiac output and peripheral resistance can lead to hypertension. An increase in either factor can elevate blood pressure, and their combined effect can significantly contribute to the development of hypertension.

D. Increased cardiac output: Increased cardiac output raises blood pressure by delivering more blood to the arteries with each heartbeat. This can occur due to various factors such as increased fluid volume, increased heart rate, or heightened contractility of the heart.

A. Expecting copious amounts of frothy, pink sputum: This symptom is typically associated with left-sided heart failure or pulmonary edema, where fluid accumulates in the lungs, leading to the production of frothy, pink sputum. It is not a classic manifestation of right-sided heart failure.

B. Fine crackles throughout both lung fields: Fine crackles are more indicative of left-sided heart failure due to fluid accumulation in the lungs (pulmonary congestion). In right-sided heart failure, the primary issues relate more to systemic congestion rather than pulmonary congestion.

C. +pitting edema in lower extremities: Right-sided heart failure often leads to fluid retention and peripheral edema due to increased venous pressure. Pitting edema in the lower extremities is a common clinical manifestation in patients with cor pulmonale and right-sided heart failure.

D. Altered level of consciousness: This can occur due to decreased cardiac output and resulting reduced cerebral perfusion. In right-sided heart failure, especially in advanced stages, fluid overload can lead to increased intracranial pressure, contributing to altered mental status.

E. Jugular vein distention: Jugular vein distention is a classic sign of right-sided heart failure. Increased pressure in the right atrium due to fluid overload results in distended neck veins, indicating elevated venous pressure.