<prompt> Platypnea may be seen in all of the following conditions, exceptBilateral Diaphragmatic palsyPleural effusionPulmonary embolismCirrhosis  <response>: Answer is A Bilateral Diaphragmatic palsy: Bilateral diaphragmatic palsy is associated with ohopnea and not platypnea. It has not been mentioned as a cause for platypnea. Severe COPD, pleural effusion and pulmonary embolism may present with either ohopnea or platypnea depending on the pathophysilogy. 