1/13
Amazing pizza, barista level coffee, and a case involving SOB and a new pericardial effusion! Hard not to get palpitations from this amazing #CNCR by @UHCardsFellows

Episode here: cardionerds.com/72-case-report…

Here’s a brief re-cap with some of the 💯 learning Image
2/
Mid 70s F p/w subacute onset SOB. PMHx of recurrent metastatic breast cancer s/p mastectomy, chemo/radiation. On exam, tachy, muffled heart sounds, JVD, BLE edema, and +Kussmaul's sign

Let's start with some physical exam teaching! What is Kussmaul's sign and what causes it?🤔
3/
Kussmaul's sign, when JVP doesn't ⬇️ during inspiration ➡️ poorly compliant RV d/t RV myocardium or pericardium (e.g. RV failure, RV ischemia, and occasionally Tamponade). Seen in 50% of cases of constrictive pericarditis!
4/
Next, TTE done showing normal EF, mod effusion, significant respirophasic tricuspid and mitral inflow variations, and R➡️L septal shift w/ inspiration.

Best clinical maneuver cinch dx of tamponade?
5/
Pulsus paradoxus! A⬇️SBP ≥10 is diagnostic, but a⬇️≥ 12 is 98% sens and 83% spec for tamponade. Tachy, JVP also⏫sens.

For more on using clinical signs, pulsus, and TTE to dx tamponade, see show notes!

To the cath lab🦸‍♂️! What might we see on RHC in tamponade?
6/
B and C, both seen in this pt!

"lose the y, you die" -@karanpdesai

Pericardiocentesis w/ 200cc bloody fluid.

Repeat RHC with improvement, but continued equalization and elevation of diastolic pressures, now with rapid y descent c/f constriction😲.

What's going on here? 🕵️‍♂️ ImageImage
7/
The ever elusive effusive constrictive pericarditis (ECP)! Defined as the persistence of constrictive physiology after pericardiocentesis, it presents with S/Sx of both a clinically significant effusion AND constrictive pericarditis.

But how common is this and what causes it? Image
8/
Risk of developing ECP related to cause of effusion

Common in TB related effusions (>50% of cases), only ~15% in effusions requiring drainage/tamponade. Even rarer in all comers with pericarditis (only 1.3%)!

Can we use TTE to identify those with effusions at risk for ECP? Image
9/
No data on TTE findings to predict ECP post drainage. More common findings in ECP:

✅⬆️Mitral medial e' velocity
✅ Respirophasic septal shift
✅ Hepatic vein flow reversal

Makes sense as these are features normally seen in CP! Post drainage TTE features also match CP ImageImage
10/
For more on Dx of CP and how to differentiate it from RCM see tweetorials and show notes from:

Episode 58: cardionerds.com/58-case-report…

Tweetorial:

and

Episode 59: cardionerds.com/59-case-report…

Tweetorial:

Now how do we treat this? ImageImage
11/
No guidelines, but a few🔑🦪:

✅Trial anti-inflammatories, esp. if evidence of pericardial 🔥 (see cMRI with LGE from our case!)

✅Pericardiocentesis might provide temp. relief

✅Pericardiectomy for refractory S/Sx, but often need to remove visceral layer (⬆️difficulty!) Image
12/
Need for pericardiectomy also varies by etiology. Overall the majority (~65%) of patients will require pericardiectomy within the 1st year of diagnosis.

As for our patient, cytology was c/w malignancy. Ultimately underwent pericardiectomy and had an excellent response!
13/
That’s our case! Thanks again to the amazing @UHCardsFellow @TCCardio, @HaythamMously, and Jamal Hajjari!

As always special thanks to @cardionerds and @karanpdesai for their help and constant dedication to #MedEd

Sign up for THE HEARTBEAT: eepurl.com/hazGYL

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