A 21-year-old known cardiac patient presented with worsening shortness of breath, orthopnea, palpitations, and intermittent coughing up of blood over the past week. On physical examination, she was in cardiorespiratory distress, had an irregularly irregular pulse, raised JVP, tapping PMI, apical diastolic thrill, and a grade 4 rumbling mid-diastolic murmur. She has signs of congestive heart failure. Based on her history and presentation, she has NYHA class IV stage C congestive heart failure secondary to valvular heart disease, with arrhythmia as a precipitant, and a mid-systolic murmur. Echocardiogram