What is McConnell's Sign?
What is McConnell's Sign?
9 months ago
substack.com
McConnell Sign in Acute Pulmonary Embolism 1. Definition McConnell’s sign is an echocardiographic finding characterized by: Akinesia or severe hypokinesia of the mid right ventricular (RV) free wall With preserved normal contractility of the RV apex This pattern is called “apical sparing.” It is classically associated with acute massive or submassive pulmonary embolism, causing sudden RV pressure overload. --- 2. Significance & Specificity Diagnostic value: Specificity: Very high — around 94–98%
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McConnell Sign in Acute Pulmonary Embolism 1. Definition McConnell’s sign is an echocardiographic finding characterized by: Akinesia or severe hypokinesia of the mid right ventricular (RV) free wall With preserved normal contractility of the RV apex This pattern is called “apical sparing.” It is classically associated with acute massive or submassive pulmonary embolism, causing sudden RV pressure overload. --- 2. Significance & Specificity Diagnostic value: Specificity: Very high — around 94–98%
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Is McConnell’s Sign Useful for aPE? - Core Ultrasound
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McCollen sign in Acute PTE McConnell's sign is a distinct echocardiographic finding of right ventricular (RV) dysfunction, characterized by the RV free wall becoming immobile (akinesia) while the apex remains hyperkinetic (moves normally or even more than normal). It is a strong indicator of acute pulmonary embolism (PE) but is not specific to it, as other conditions that increase pulmonary vascular resistance can cause a similar effect. Identifying this sign can help guide emergency treatment d
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McCollen sign in Acute PTE McConnell's sign is a distinct echocardiographic finding of right ventricular (RV) dysfunction, characterized by the RV free wall becoming immobile (akinesia) while the apex remains hyperkinetic (moves normally or even more than normal). It is a strong indicator of acute pulmonary embolism (PE) but is not specific to it, as other conditions that increase pulmonary vascular resistance can cause a similar effect. Identifying this sign can help guide emergency treatment d
4.2K views5 months ago
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McConnell’s Sign Still Holds Its Value: A Lesson Learned from Two Cases
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McConnell sign from BMJ case reports (Eng below) ใครที่อยากเคยอ่านเจอว่า เคส Pulmonary embolism สามารถเจอ McConnell sign ได้ให้ลองดูเคสจากเปเปอร์นี้ค่ะ คลิกเข้าไปดูวิดีโอเต็มๆ ชัดมาก สิ่งสำคัญคือ ต้องทำ Apical four chamber ให้เห็นตรงที่ RA ต่อกับ RV ชัด แล้วลองดูการขยับแนวตั้งค่ะ ตรงสามเหลี่ยมยอด apex นี่ขยับเยอะมาก แต่ตรงบริเวณ รอยต่อ tricuspid annulus หรือ mid, base free wall ที่ชี้แทบไม่ขยับขึ้นลง http://casereports.bmj.com/content/2014/bcr-2013-200799.full ใน link มี parasternal long axis, แ
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