OMI vs. NOMI: The STEMI/NSTEMI is a failed pardigm!
- many NSTEMI have occlusion
- many STEMI don't have occlusion
- @PendellM at #HRreloaded ImageImage
- we've tried putting band-aids on STEMI.
- the list of STEMI-equivalents keeps growing!
- unfortunately there's no consistent approach to these (cath lab may refuse to activate)
- @PendellM at #HRreloaded ImageImage
- STEMI algorithm evolved from prior QWMI/NQWMI pardigm, based on RCTs involving thrombolysis
- STEMI is an improvement on ignoring EKG entirely, but it's deeply flawed
- OMI is the next pardigm
- @PendellM at #HRreloaded ImageImageImageImage
NSTEMI RCTs show that 25% of patients with NSTEMI have complete occlusion! such patients are treated sub-optimally and often do poorly
- @PendellM at #HRreloaded ImageImageImageImage
the STEMI paradigm perpetuates itself due to circular logic. it's difficult to have a "false-negative" STEMI based on the way it is defined.
- @PendellM at #HRreloaded ImageImageImageImage
hyperacute T-waves occur earlier than STE. why can't we identify hyperacute T-waves to use them as a tool to guide early reperfusion? cardiology literature largely ignores hyperacute T-waves, favoring delay until STE occurs 😬
- @PendellM at #HRreloaded ImageImage
focus on absolute STE and ST segment places blinders on us preventing global understanding of EKGs and patients
- @PendellM at #HRreloaded ImageImageImageImage
woah. OMI pardigm may move away purely focusing on EKG, to integrate with *POCUS* and H&P. 🤯
#ThisIsTheWay
- @PendellM at #HRreloaded ImageImageImage

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More from @PulmCrit

Oct 26
Critical interactions for the critical care cardiologist: An anthology of the tortured pharmacist's department

- @TaniaAhuja at #critcarecards24 Image
@TaniaAhuja who should get AV nodal blockers?

Diltiazem is contraindicated in shock.

**If you don't know the EF, may avoid.**

Diltiazem and riveroxiban may interact as well.

- @TaniaAhuja at #critcarecards24 Image
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@TaniaAhuja diltiazem plus riveroxiban interaction may increase bleeding

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Low slow and trying to crash

CCB & Bbl intoxication.

Getting things done is tough! A really sick CCB/BBl intoxication challenges this.

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@emcrit Start with calcium, although it probably don't do a ton. May follow this with a calcium infusion if there is sufficient IV access.

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@emcrit Intubate early before hemodynamics truly fall apart.

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Why do I deviate from ACLS?

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@mdonnino Do you resume CPR after shock? Yeap.

In 2005 the algorithm changed from stacked shocks to a single shock followed by waiting for 2 minutes to see what is going on.

No solid evidence that this was the correct approach.

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More on RV failure:

Acute RVMI: loading can be helpful because we want to raise the RV pressure higher than the PA pressure to cause blood to flow downhill.

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Volume loading may help push patients into the RV death spiral.

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this may additionally avoid systemic congestion!

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RV contracts in multiple mechanisms.

LV contraction indirectly contributes 40% of the stroke volume of the RV! Image
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PAPI as a marker of RV-PA coupling!

cutoff may depend on context

RV MI: unconditioned PAPI decouples at <1

PAH: PAPI cutoff for worse outcomes may be higher Image
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Dec 17, 2023
how to place a consult: you MUST understand the five stages of consultant grief.

once you can understand this painful and natural process, requesting consults will make a LOT more sense

buckle up, it can be a little rough…

🧵 1/6…
stage 1: denial

- You dont need a consult.
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stage 2: anger

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