How do high-output and low-output heart failure differ in chest presentations?

How do high-output and low-output heart failure differ in chest presentations?

• A. Low-output HF presents with reduced cardiac output and congestion; high-output HF occurs with anemia or sepsis.
• B. High-output HF presents with reduced cardiac output and congestion; low-output HF occurs with anemia or sepsis.
• C. Both forms have identical chest findings and cannot be distinguished.
• D. High-output HF always has preserved ejection fraction.

Answer: (A)