A quick reference guide for some of the most common cardiac conditions!Angina Pectoris * Key Clinical Features: Chest pain on exertion, relieved by rest or nitroglycerin. * Investigations: Normal troponins, stress test for diagnosis.Cardiac Tamponade * Key Clinical Features: Beck's triad (hypotension, jugular venous distention (JVD), muffled heart sounds). * Investigations: ECG (low voltage QRS), Echo (fluid around the heart).Atrial Fibrillation * Key Clinical Features: Irregularly irregular pul