A young medical student presented with chest pain, palpitations, dyspnea, and a feeling of impending death that occurred when studying. The most likely diagnosis is a panic attack. A panic attack is characterized by sudden onset of symptoms that resolve rapidly and are not associated with any underlying medical condition.
The document provides a review of common cardiac presentations including chest pain, syncope, postural hypotension, pulses, heart murmurs, and cardiac arrest. It also reviews cardiac investigations such as ECG abnormalities, exercise ECG tests, and cardiac anatomy. The document concludes with sections on cardiovascular drugs, cardiac diseases and conditions, and cardiac arrhythmias.