What About Foot Swelling in the Image?

The foot shown in the graphic may be intended to represent swelling.

Swollen feet can occur in heart failure, but foot swelling alone cannot diagnose heart disease.

For example, someone who spends all day standing may develop swollen ankles.

Certain blood-pressure medications can also cause ankle swelling.

Venous circulation problems are another common cause.

Kidney and liver conditions can also contribute to fluid retention.

The pattern is therefore important.

Swelling combined with worsening shortness of breath, difficulty lying flat, rapid weight gain, or unusual fatigue is more concerning than mild swelling after a long day.

Some Heart Problems Have Few Obvious Symptoms

One reason cardiovascular disease can be difficult to recognize is that problems may develop gradually.

A person may notice that they are not able to walk as far as they once could.

They may become tired more easily.

They may stop doing certain activities because they feel uncomfortable.