What is the differential diagnosis for a patient with a history of atrial fibrillation (AF) and coronary artery bypass grafting (CABG) presenting with sudden onset palpitations, productive cough, lethargy, and reduced effort tolerance?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board

Educational purpose only • Exercise caution as content is pending human review

Article Review Status

Submitted

Under Review

Approved

Last updated: January 19, 2026 • View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

Related Questions

What are the pros and cons of using Bisoprolol (beta-blocker) for managing persistent Atrial Fibrillation (AFib) in a post-Coronary Artery Bypass Graft (CABG) patient?

What is the appropriate use of digoxin (Digitalis) in patients with atrial fibrillation (AFib) following Coronary Artery Bypass Graft (CABG) surgery, and can Farxiga (Dapagliflozin) and Lipitor (Atorvastatin) be used concurrently?

What are the considerations for pulse ablation in a 68-year-old post-Coronary Artery Bypass Graft (CABG) patient with an atrial clip and ongoing Barrett's esophagus?

What is the best course of action for a post-operative coronary artery bypass graft (CABG) patient with a history of hypertension (HTN), hyperlipidemia (HLD), and atrial fibrillation (AFib) who develops a new rounded infiltrate in the left middle field?

When should a patient with suspected coronary artery disease, heart failure, or arrhythmias be referred to a cardiologist (cardio) versus a cardiothoracic surgeon?

What is the recommended dose of Amoxicillin-Clavulanate (Augmentin) for a pediatric patient weighing 14.1 kg with otitis media?

What are the recommended evaluation and management steps for an adult patient with newly appeared moles on their hand, considering their age, skin type, and medical history?

What is the recommended dose increase for a patient currently taking sertraline (selective serotonin reuptake inhibitor) 50 mg?

What are the possible causes of left-sided numbness in a patient?

How often should digoxin (digitalis glycoside) levels be repeated in a patient with suspected digoxin toxicity and when should the digoxin dose be held?

What are the potential interactions between grapefruit and diazepam (a benzodiazepine) in elderly patients taking it for anxiety or insomnia?

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.