WBR0028

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Author PageAuthor::Raviteja Reddy Guddeti MBBS, Aarti Narayan MBBS
Exam Type ExamType::USMLE Step 2 CK Flash Card
Main Category MainCategory::Internal medicine
Sub Category SubCategory::Cardiovascular
Prompt Prompt::Kussmaul’s sign is seen in which of the following?
Answer A AnswerA::Acute pericarditis
Answer A Explanation AnswerAExp::
Answer B AnswerB::Pulmonary embolism
Answer B Explanation AnswerBExp::
Answer C AnswerC::Right ventricular myocardial infarction
Answer C Explanation AnswerCExp::
Answer D AnswerD::Chronic constrictive pericarditis
Answer D Explanation AnswerDExp::
Answer E AnswerE::Cardiac tamponade
Answer E Explanation AnswerEExp::
Right Answer RightAnswer::D
Explanation [[Explanation::The correct answer is chronic constrictive pericarditis. Kussmaul’s sign is failure of the central venous pressure to decline during deep inspiration, which causes distended cervical veins, even when the patient is on diuretics. Other conditions that give a positive Kussmaul’s sign are tricuspid stenosis, right ventricular failure and restrictive cardiomyopathy.

Educational Objective:
References: ]]

Approved Approved::Yes
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