The Bernoulli equation (simplified to 4 * V squared) is used in every echo to estimate pressure gradients from velocities. One source of error is widely ignored I belive. #echofirst #pocus #emimcc
#echofirst
Another study from my colleagues on the impact on aberration correction (an image quality improvement method in #echofirst) on volume quantification. More important for assessing anatomy than volumes it seems #cardiosky
RE: https://bsky.app/profile/did:plc:6xafml5ugmlmvl2ffgiqw3n6/post/3len5itxtpz2u
Great to see this sobering study out on the feasibility and accuracy of 3D #echofirst methods from my dear colleagues #cardiosky
RE: https://bsky.app/profile/did:plc:6xafml5ugmlmvl2ffgiqw3n6/post/3leotuykjll2y
One measure that can be worthwhile though, is «forward EF», that is for the LV, the forward stroke volume derived from the LVOT, divided by the end diastolic volume. #echofirst www.ahajournals.org/doi/full/10....
Forward Left Ventricular Eject...
What I love about echocardiography in critical care is how you can see physiology unfolding before your eyes. This is a case that has stayed with me and shaped how I think about treating acute LVOT obstruction #cccsky #echofirst #pocus #emimcc
RE: https://bsky.app/profile/did:plc:wl5zwdwkg4kqg25gtxbepfh4/post/3la32aet5c42c
Great paper on RA flow patterns with relevance for examinations for PFO
#echofirst
RE: https://bsky.app/profile/did:plc:pdj5upxe4ocjvjltlkdai7b4/post/3lcbkub5nbn2u
If the LV of the patient with sepsis is «hyperdynamic» when on noradrenaline, then EF dropps and the LV looks poorly when vasopressin is added, but recovers to normal with dobutamine, you likely haven’t «uncovered hidden LV dysfunction» or septic cardiomyopathy. #emimcc #pocus #echofirst 1/
How would you expect hepatic vein doppler to look here? #echofirst #pocus
Pt admitted with sups sepsis from infected diabetic foot ulcer. Increasingly hypotensive and hypoxic through night. Put on NA, HFNC. SA in blood culture and systolic heart murmur, routinely performed TEE #Echofirst #FOAMed #FOAMcc #FOAMus
Here’s an interesting study in patients with MI suggesting LA reservoir strain yields no additional information to LA size and LV long axis function measurements. #echofirst https://www.ahajournals.org/doi/full/10.1161/CIRCIMAGING.112.978296e
If there’s one resource that should be recommended for all those interested in advanced understanding of echocardiographic measurements and cardiac physiology, it’s Asbjørn’s website. Absolutely brilliant content, and it’s free! #echofirst #cardiosky #emimcc #medsky
RE: https://bsky.app/profile/did:plc:tdcjoax6n3oxx6e5xti74gvr/post/3laqn56rah22w
If you want to follow #AHA24, this is the feed for you! #cardiosky #echofirst bsky.app/profile/did:...
RE: https://bsky.app/profile/did:plc:wl5zwdwkg4kqg25gtxbepfh4/feed/aaabzybgehq7q
Please welcome and follow Asbjørn Støylen, for masterclasses in, echocardiography, cardiac mechanics and physiology! #emimcc #echofirst #cardiosky #pocus #medsky
RE: https://bsky.app/profile/did:plc:tdcjoax6n3oxx6e5xti74gvr/post/3lap3enxh7k2c
I created a starting pack for #POCUS peeps! Help me by sharing it and suggesting more people to add! It also contains the two feeds I created, for #echofirst and #pocus. go.bsky.app/EtZL9J6
RE: https://bsky.brid.gy/convert/ap/at://did:plc:wl5zwdwkg4kqg25gtxbepfh4/app.bsky.graph.starterpack/3lam5dvcydg2u
#Cardiotoots #EchoFirst Why is GLS gender dependent, higher absolute in ♀︎? GLS (absolute values) are negatively correlated to BSA. A wider ventricle can give a larger SV, with less increase in MAPSE, but the relative shortening (to length) becomes less, and normalising for only length is erroneous. Gender dependence of GLS, is simply a body size effect.
#EchoFirst #CardioToots Myocardial contraction and relaxation are related to tension. Myocyte shortening and stretch, and thus volume and flow, are related to tension vs load. Strain and strain rate are related to volume and flow, and thus not directly to contraction or contractility.
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