The swelling in my ankles had gone on for months. My doctor said it was just my age and to keep my feet up. I am 76, so I figured he knew what he was talking about. You tend to trust a man who has your chart in a heavy manila folder and a framed diploma from Johns Hopkins on his wood-paneled wall.

Dr. Evans had been telling me for three years that gravity gets lazier the older you get. I bought three pairs of wide-band cotton socks and propped my feet on a green velvet hassock every afternoon while the local news played.

The senior center ran a free foot-care clinic in May, five dollars for a nail trim and a soak, so I signed up. My toenails had gotten thick and hard to reach with my old green-handled clippers, and five dollars felt fair enough. The gymnasium smelled faintly of floor wax and instant decaf coffee. Thurse, a young woman named Priscilla with her dark hair pulled back in a neat clip, sat on a low rolling stool across from me. She had kind eyes behind wire-rimmed glasses and a gentle way of holding an old person’s foot as if it were made of glass.

Priscilla pressed her thumb in my ankle. The dent just stayed there.

She stopped smiling. She did not say anything for a second, and honestly that felt worse than if she had shouted. Her thumb had left a little white hole in my skin that slowly puffed back, but not all the way. She reached into her pocket, pulled out her stethoscope, and pressed the cold metal diaphragm against my cotton blouse. She listened to my chest, then listened again, moving the round disc an inch to the left.

“Mrs. Lindquist, how long have you been this puffy?” she asked.

I told her since fall. My throat went tight because the way she asked it sounded like a schoolteacher catching a child in a lie they did not mean to tell.

She eased me into a straight-backed chair and stood up. “You are going in tonight, not Monday,” she said.

She did not wait for me to argue. She walked over to the supervisor’s desk in the corner of the gym and picked up the black plastic telephone.

I sat there with my wool cardigan buttoned crookedly, watching the way her shoulders moved as she spoke into the receiver. I thought about the pork roast sitting in my refrigerator at home on Birch Street. I thought about the library book I had left on the kitchen table with the bookmark still wedged at page two hundred and fourteen.

Within twenty minutes, two men in navy blue shirts walked through the double doors of the senior center with a folding gurney. People stopped playing cards at the long folding tables. Mrs. Gable, who I had known since the Eisenhower administration, lowered her deck of cards and stared right at me over her bifocals. I felt my face get hot. I stood up and tried to say I could just drive my Buick home, but my legs felt heavy, like they were filled with wet sand.

“Ma’am, let us do the walking,” one of the attendants said. His name tag said Roy, and he had kind wrinkles around his eyes.

At the hospital, the intake desk was loud and smelled like bleach. They put me in a small room with yellow walls and a paper-lined table that crinkled every time I shifted my weight. A young man with dark circles under his eyes came in holding a plastic tablet. He tapped the screen with his stylus and asked me if I had chest pain. I told him no. I just had ankles that looked like unbaked loaves of bread.

Around nine o’clock, a specialist named Dr. Thayer walked in. He was tall, with silver hair clipped close to his scalp and a blue tie that looked like it had been knotted in a hurry. He carried my chest X-ray like it was a wet photograph he did not want to smudge. He pulled his stool close to the paper table, right where my knees were hanging over the edge.

He didn’t look at his tablet. He looked right at me.

“Mrs. Lindquist, the fluid around your heart is about three times what it should be,” he said.

The room got very quiet. Outside the small window, a truck shifted gears on the bypass down below.

“Dr. Evans said it was my age,” I said. My voice sounded thin, even to me.

Dr. Thayer tapped the X-ray film against his knee. “Dr. Evans was looking at your birth certificate instead of your lungs.”

He explained it to me using plain words. My heart had been working overtime for six months, pumping against a wall of fluid because the left side was too tired to squeeze the way it used to. He told me that if Priscilla hadn’t pressed her thumb into my shin that morning, I probably wouldn’t have woken up on Thursday. The word congestive heart failure hung in the air between us, heavy and gray.

I didn’t cry right away. I just thought about how foolish I had been, sitting on my green velvet hassock with my feet propped up, watching the news and thinking I was just getting old. Old age isn’t a disease, my mother used to say, but sometimes it hides the ones that are.

By eleven, they had me hooked up to an IV line in the cardiac ward on the third floor. The room looked out over the parking lot where the sodium lights cast long yellow stripes across the wet asphalt. A nurse named Marcia came in every hour to check my blood pressure and give me a little white pill that made me visit the white porcelain bathroom down the hall three times before dawn.

Around two in the morning, I finally called my daughter, Clara. I didn’t want to wake her up, but I knew she would find out sooner or later and never forgive me for hiding it. When she answered, her voice was thick with sleep and instantly sharp.

“Mom? Is everything alright?” she asked.

“I am in St. Jude’s,” I told her. “They gave me some water pills. I’m fine, Clara, really.”

“Don’t you move,” she said. Her voice cracked just a little bit. “I’m leaving right now.”

I hung up the phone and laid back against the scratchy hospital pillow. The steady beep of the monitor in the corner had a rhythm to it, steady and mechanical, like a grandfather clock in an empty hallway. I realized how tired I had been since October. I had just gotten used to it, the way you get used to a leaky faucet or a squeaky floorboard until you don’t even hear it anymore.

When the sun came up over the tree line behind the parking lot, the light turned the color of weak tea. A tray arrived with oatmeal, a small carton of skim milk, and a little plastic cup of applesauce. There was no salt shaker on the tray. I picked up the small clear glass of water from the bedside table. It was fresh and cold, catching the morning sun as it hit the rim. I took a small sip, letting the cool water sit on my tongue before I swallowed. My ankles still felt tight, but for the first time in six months, my chest felt like it had room to move.