Platypilea is seen in: (A) Diaphragmatic palsy, (B) Pleural effusion, (C) pulmonary embolism, (D) Lt atrial tumor
Answer is B. platypnea ohodeoxia is typically an ove symptom when the patient's posture changes from the supine to the upright position. .Especially when a significant pleural ef- fusion (hydrothorax) is present, the intrathoracic effusion spreads diffusely over the posterior space of the thorax in the supine position. Ref Davidson 23rd edition pg 619