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USMLE > Evoluion Of MI > Flashcards

Evoluion Of MI Flashcards

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USMLE® Step 1 flashcards
1
Q

0-24hrs

A

Coagulative necrosis
Neutrophils
Repercusión injury: Free radicals, hyper contraction, ⬆️ free Ca influx

😱: ventricular arrhythmia
HF, cariogenic shock

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2
Q

1-3 days

A

Extensive coagulative necrosis.

Acute inflammation with neutrophils

😱: pericarditis

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3
Q

3-14 days

A

Macrophages, then granulation tissue at margins.

😱: free wall rupture💔
Tamponade
Papillary muscle rupture, mitral regurgitation

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4
Q

2 weeks to months

A

Contracted scar
Type 1 collagen

😱: dressler Sx, HF, arrhythmia, true ventricular aneurysm

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USMLE (32 decks)

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