You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Cardiac tamponade causes pulsus: and explain in detail?
Ans: c (Paradoxus) Ref: Harrisons, 16th ed, p. 1416; 17th ed, p. 1491Clinical signs in cardiac tamponade - pulsus paradoxus, prominent x descent in JVPECG changes - low ECG voltage, electrical alternans. RVDC feature in echoNotesFreidrichs sign - Rapid fall (steep Y descent) and rise of JVP seen in constrictive pericarditis and tricuspid regurgitation.