CCU

𝐌𝐜𝐂𝐨𝐧𝐧𝐞𝐥𝐥'𝐬 𝐒𝐢𝐠𝐧


𝐌ᴄ𝐂ᴏɴɴᴇʟʟ 𝐬ɪɢɴ thought is often used to tell
if a patient with 𝘼𝙘𝙪𝙩𝙚 𝙋𝙀 𝙝𝙖𝙨 𝙍𝙞𝙜𝙝𝙩 𝙃𝙚𝙖𝙧𝙩 𝙎𝙩𝙧𝙖𝙞𝙣
𝙙𝙪𝙚 𝙩𝙤 𝙢𝙖𝙨𝙨𝙞𝙫𝙚 𝙤𝙧 𝙨𝙪𝙗𝙢𝙖𝙨𝙨𝙞𝙫𝙚 𝙋𝙀.

𝐌ᴄ𝐂ᴏɴɴᴇʟʟ 𝐬ɪɢɴ was first mentioned in 𝟏𝟗𝟗𝟔
the sign had 𝟗𝟒% 𝙨𝙥𝙚𝙘𝙞𝙛𝙞𝙘𝙞𝙩𝙮 for Acute PE

𝐌ᴄ𝐂ᴏɴɴᴇʟʟ 𝐬ɪɢɴ defined as :-
One of the most distinct echo findings in patients with acute pulmonary embolism:
• Distinct regional RV dysfunction
• Mid RV free wall - akinetic, bulging
• Normal RV apex - tethered to LV
• LV apex - hyperkinetic
in the setting of RV strain. (aka enlargement).

See this movie 👇
https://coreultrasound.com/5ms-blog-mcconnells-sign/