Final answer:
Patients with malignant hypertension experience severely elevated and uncontrolled blood pressure, which can lead to serious complications such as organ damage, heart attack, stroke, and kidney failure.
Step-by-step explanation:
Patients with malignant hypertension experience severely elevated and uncontrolled blood pressure. This condition, also known as hypertensive emergency, requires immediate medical attention. Without prompt treatment, malignant hypertension can lead to serious complications such as organ damage, heart attack, stroke, and kidney failure.