🚨 Interesting non Covid case yesterday! 🤓

25 YO male, pauci-immune GN previously treated w/ ciclosporine + ⬆️ dose steroids. Arrives @ triage w/ SOB, fever, AKI KDIGO 2 & this CT scan:
dDx was DAH vs acute pulmonary edema (❤️renal syndrome type 1 vs 3). NIV was started w/ excellent response, FiO2 ⬇️ from 100% to 40%. Met the pt yesterday, already on abs & diuretics, but still ⬇️ UO. Neph wanted to star RRT. Pt had Gallavardin phenomenon on 🩺 + 🥶. #POCUSFirst
PLAx
Ap4Ch
Ap5Ch doppler
IVC, TAPSE, LVOT VTI
Mitral inflow PWD and TD
3Ch
3Ch doppler
Based on ☝🏽 findings, it seemed to me it was more of a ⬇️ output state rather than 💧 overload, so added vanc, started dobutamine @ 2.5 mcg/kg/min and low dose NE. Pts UO went from 200 mL in 8 hrs ➡️ 1L in the 8 hrs following change in therapy, ScvO2 went 54%➡️ 68%, CRT 5s ➡️ 1s
What do you guys think? Did your initial Dx change with these images?
Ok first of all sorry guys, I was post call and think the presentation was sllugish 😂, here's my rationale: pt comes initially with what is thought acute pulmonary edema 2/2 fluid overload b/o renal deterioration from preexisting glomerulonephritis➡️
Gets better on NIV but diuretics aren't doing the trick (still low UO), neph still thinks the pt is fluid ⬆️ and benefits from dyalisis ➡️ I see pt, low MAP w/low dyastolic, cold pt, ⬇️CRT, heart murmur stronger on Ao valve ➡️
IVC is small & right heart is normal, so I think no fluid overload, LVOT VTI normal but LVEF persistently measured around 30%, see something weird on Ao valve w/ slight reflux and remember pt has been febrile: think of IE w/ LVEF b/o Ao regurgitation and pb a septic component too
Start vanc b/o dx suspicion and inotropic to try to ⬆️ LVEF and MAP to improve renal perfusion➡️ pt starts forming urine, CRT 1 sec, ScvO2 goes from 54% to 68%, new LVEF (not shown) measured at around 65%, me feeling happy

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More from @PacoDardon

5 Feb
ED 3 AM: 🚨 ambulance rushes in, pt in his 40's unconscious, BP 50/20, HR 140. Reanimation is started and arterial gases are ordered: lactate 10! Two hours later, pt conscious, MAP >65, HR 100, new arterial gases are ordered: lactate 9.

Was reanimation unsuccesful?

Poll & 🧵:
First, let's go #BackToBasics w/ lactate:

💉 2 enantiomers: L & D

💉 Formed from pyruvate by LDH (usual ratio 10:1)

💉 PKa 3.8 (lactate predominant over lactic acid)

💉 Can be used for ATP formation or gluconeogenesis (lac➡️pyruvate➡️A-CoA or lac➡️pyruvate➡️oxaloacetate) ImageImage
We tipically associate 💉 w/⬇️ O2, but what else can ⬆️ 💉? Many things!:

💉 Sepsis

💉 Cyanide

💉 CO

💉 💊: MET, linezolid, paracetamol, NRTI's

💉 ⬇️ thiamine

💉 🍺: Propylene glycol, methanol, ethanol

💉 Malignancy

💉 Cirrhosis

💉 Severe asthma

💉 ❤️ surgery
Read 21 tweets
28 Jan
Some days ago i had a pt with cirrhosis Child Pugh C admitted for AKI during my shift. Offending meds were withdrawn, IVC was seen at 0.9 cm and albumin infusion was started.

This common situation got my mind started: why is 🥚 so good for cirrhotic pts kidneys?

A brief 🧵:
👇🏽
First, let's start by mentioning some of albumin's main properties:

🥚 67 kDa protein

🥚 Accounts for 75% of plasmatic oncotic pressure

🥚 Exclusively produced in the liver

🥚 Pleiotropic effects: 🚫 inflammatory, 🚫 oxidative & immunonodulatory
Cirrhotic pts have ⬇️ 🥚 levels, but the one they do have gets dysfunctional:

Proinflammatory and oxidative environment in decompensated cirrhotic pts oxidizes 🥚 and renders it uncapable of exerting its effects, ⬇️ "effective 🥚 concentration". This correlates w/ severity & ☠️!
Read 14 tweets

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