A 68-year-old presents with increasing shortness of breath,…
A 68-year-old presents with increasing shortness of breath, fatigue, and swelling in his lower extremities over the past two weeks. On physical exam, he has bilateral pitting edema in his ankles, crackles at the lung bases, and an S3 heart sound is auscultated at the apex during early diastole. Vital signs are: BP 171/89 mmHg, Pulse 96 bpm, RR 26, SpO₂ 93% on room air. Which of the following disorder should the AGACNP be concerned for?