A patient presents with complaints of dyspnea, a feeling of chest fullness, and fatigue. On physical examination, the patient is found to have elevated jugular venous pressure, hypotension, pulsus paradoxus, and tachycardia. An electrocardiogram shows sinus tachycardia, low voltage, and beat-to-beat alterations in the QRS complexes. What is the most likely diagnosis?

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The Cardiac Medicine Certification (CMC) exam is designed for certified nurses currently practicing in areas such as CCU, combined ICU/CCU, medical ICU, telemetry, progressive care, heart failure clinics/home care, interventional cardiology, cardiac catheterization labs and/or electrophysiology units. Exam content: Since all eligible candidates must hold a clinical nursing specialty certification, the 90-item subspecialty exams concentrate solely on the Synergy Model component of Clinical Judgment. Although components such as patient teaching and collaboration are very important in providing... Show more

A patient presents with complaints of dyspnea, a feeling of chest fullness, and fatigue. On physical examination, the patient is found to have elevated jugular venous pressure, hypotension, pulsus paradoxus, and tachycardia. An electrocardiogram shows sinus tachycardia, low voltage, and beat-to-beat alterations in the QRS complexes. What is the most likely diagnosis?