Compare conditions

Put any two — or three — conditions side by side, adult or pediatric, to spot the look-alike differences fast, row by row.

Hfpef

—

In one line

·The heart squeezes fine but cannot relax and fill with blood the way it should.

—

Normal physiology

·The left ventricle (the heart's main pumping chamber) squeezes to push blood out, then relaxes completely so it can fill back up with blood from the lungs. The walls are strong but flexible, like a healthy balloon. The arteries (the tubes carrying blood away from the heart) stay stretchy and match the ventricle's rhythm. This partnership—called arterial-ventricular coupling—keeps blood flowing smoothly at rest and when you move.

—

What goes wrong

·The left ventricle's walls become thick and stiff, so they cannot relax and fill with blood the way they should. At the same time, the arteries stiffen, and the heart loses its ability to speed up properly during exercise.

—

Hallmark signs

·Shortness of breath during activity or when lying flat
·Swelling in the ankles, legs, or belly
·Feeling unusually tired or weak, especially with effort
·Fast or irregular heartbeat (palpitations)
·Needing to urinate more often at night
·Sudden, severe shortness of breath with pink, frothy spit
·Chest pain or pressure, especially during exertion
·Confusion, trouble focusing, or feeling dizzy

—

Red flags · escalate now

·Sudden, severe shortness of breath with pink or bloody spit (sign of fluid filling the lungs)
·New or worsening chest pain, especially during activity (may signal a heart attack or dangerous lack of blood flow)
·Confusion, dizziness, or passing out (brain and body aren't getting enough oxygen)
·Rapid weight gain (more than 2–3 pounds in a day or 5 pounds in a week) or sudden increase in leg or belly swelling (sign that fluid is building up fast)
·Heart rate over 120 beats per minute at rest, or a new irregular rhythm (may be atrial fibrillation (an irregular, quivering heartbeat) or another dangerous arrhythmia)

—

Workup

·Transthoracic echocardiogram with Doppler
·B-type natriuretic peptide (BNP) or NT-proBNP blood test
·Electrocardiogram (EKG)
·Basic metabolic panel (BMP) — sodium, potassium, creatinine, blood urea nitrogen
·Chest X-ray
·H₂FPEF score or HFA-PEFF algorithm

—

Treatment

·Loop diuretic — furosemide (Lasix) or torsemide — to remove extra fluid
·SGLT2 inhibitor — empagliflozin (Jardiance) or dapagliflozin (Farxiga)
·ACE inhibitor (lisinopril, enalapril) or ARB (losartan, valsartan) to control blood pressure
·Mineralocorticoid receptor antagonist (MRA) — spironolactone or eplerenone — if potassium and kidney function are safe
·Beta-blocker (metoprolol, carvedilol) or non-dihydropyridine calcium channel blocker (diltiazem, verapamil) for rate control if atrial fibrillation (an irregular, quivering heartbeat) is present
·Weight loss (target 5–10% body weight), aerobic exercise (30 minutes most days), and treatment of obstructive sleep pauses in breathing (apnea) with CPAP if present
·Strict blood pressure control — target systolic < 130 mmHg per ACC/AHA guidelines — and diabetes control (HbA1c < 7%)

—

NCLEX trap

·HFpEF is a real disease where stiff heart-muscle walls stop the ventricle (the main pumping chamber) from filling properly and cause dangerous backpressure into the lungs and body. It carries stroke risk (because it often triggers atrial fibrillation (an irregular, quivering heartbeat), an irregular heart rhythm), sudden worsening, and even sudden death. Treat it seriously.
·HFpEF needs a different medicine plan. Start with diuretics (water pills like furosemide) to clear the backlog of fluid and help breathing. Then add an SGLT2 inhibitor (dapagliflozin or empagliflozin, medicines that protect the heart and kidneys) and an MRA (spironolactone, a gentle water pill that also fights stiffness). Use an ACE inhibitor or ARB only if blood pressure is high or the kidneys are damaged. Use a beta blocker only if the heart rate is too fast or blood pressure is high — never slow the heart down if it is already struggling to speed up when the body needs it (called chronotropic incompetence).
·HFpEF patients are not pump-weak; they are stiff. The heart may squeeze normally during stress. Inotropes make them worse because the heart contracts faster but the stiff ventricle cannot fill any faster — like trying to pour more water into a full bottle. Focus on diuretics to ease backpressure, preload management (controlling how much fluid fills the heart), and slowing the heart if atrial fibrillation (an irregular, quivering heartbeat) is present so it has more time to fill between beats.
·In HFpEF, atrial fibrillation (an irregular, quivering heartbeat) is a red flag. The stiff ventricle depends on the atrial kick (the extra push from the top chamber) to fill properly; losing that kick causes sudden worsening. AF also raises stroke risk sharply. Rate control (slowing the heart) is essential, and anticoagulation (blood thinners) must be considered based on stroke risk scores like CHA₂DS₂-VASc.
·Ejection fraction ≥50% does not mean the heart is healthy in HFpEF. The real problem is stiffness and poor filling. Weight loss, blood pressure control, treatment of sleep pauses in breathing (apnea), SGLT2 inhibitors, and MRAs can improve symptoms and outcomes significantly. Patients can feel better and live longer with the right plan.
·Always measure ejection fraction with an echocardiogram (ultrasound of the heart). If it is ≥50%, you have HFpEF, and the medicine list and goals change completely. HFpEF is more common in older women with high blood pressure, obesity, and diabetes. Recognize the pattern and tailor the treatment.

—

Install Maldek by Hill as an app — studies work even offline