Haemodynamic Disorders · NEET PG Preparation Pathology
A 55-year-old male with a history of deep vein thrombosis presents with sudden onset shortness of breath and pleuritic chest pain. A saddle embolus i…
Practice question from Haemodynamic Disorders (NEET PG Preparation Pathology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-E1FF99
A 55-year-old male with a history of deep vein thrombosis presents with sudden onset shortness of breath and pleuritic chest pain. A saddle embolus is found at autopsy. Which of the following is the most common and classic hemodynamic consequence of a massive pulmonary embolism?
- A.Left ventricular hypertrophy
- B.Acute cor pulmonaleCorrect answer
- C.Systemic hypotension due to left ventricular failure
- D.Decreased central venous pressure
Solution
A massive pulmonary embolism suddenly blocks a large cross-sectional area of the pulmonary arterial bed, causing a sharp rise in pulmonary vascular resistance. This leads to acute pressure overload and dilation of the right ventricle, a condition known as acute cor pulmonale.
More from Haemodynamic Disorders
- A 62-year-old female undergoes prolonged surgery and develops microvascular thrombosis in multiple organs, accompanied by severe bleeding f…
- Which of the following lines of Zahn are a characteristic morphological hallmark found in which type of vascular lesion?
- A 45-year-old male is rescued from a burning building with extensive cutaneous burns. Over the next several hours, he develops profound hyp…
- During a routine autopsy of an elderly patient who died following a long bone fracture, microscopic examination of the lung vessels using f…
Practise more Pathology
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed