<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Sudden death, right sided hea failure (cor pulmonale or cardiovascular collapse occur when ?
Options:
A. Small pulmonary embolism
B. Massive pulmonary embolism
C. 60% or more of pulmonary aery is obstructed with emboli
D. End aery obliteration
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is C: 60% or more of pulmonary aery is obstructed with emboli. Explanation: Ans. is 'c' i.e., 60% or more of pulmonary aery is obstructed with emboli<|im_end|>
