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Overview of the main types of heart failure (HF). This schematic illustration describes HF with reduced ejection fraction (HFrEF), HF with preserved ejection fraction (HFpEF), HF with mid-range ejection fraction (HFmrEF), right-sided HF, and congestive HF. It describes the affected side of the heart, the ejection fraction range, and key symptoms for each type. Understanding the various types of HF is critical for accurate diagnosis and treatment. Illustration credit: Sceyence Studios.
