system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Cardiac output is increased by all except -
assistant
The correct answer is  Ans. is 'd' i.e., Standing from lying down Effect of various conditions on cardiac outputNo changeo Sleep o Moderate changes in environmental temperatureIncreaseo Anxiety and excitement (50-100%) o Eating (30%) o Exercise (up to 700%) o High environmental temperature o Pregnancy o EpinephrineDecreaseo Sitting or standing from lying position (20-30%) o Rapid arrhythmias o Heart disease