Hemodynamic disorders pt. 2 (pictures)

Question 1

what is being shown?

Answer 1

Virchow triad: Endothelial Injury

• ulcerated plaques in atherosclerosis
• inflammatory vascular injury (vasculitis)
• heart chamber following MI
• exposes subendothelium

Question 2

what is this?

Answer 2

Aneurysm: abnormal dilatation of blood vessel

Question 3

what is this?

Answer 3

Arrow: adherent thrombi at the apex of (L) ventricle

Question 4

what is this?

Answer 4

thrombus formed within heart or aorta, show lamination: ‘lines of Zahn’

Question 5

what is this?

Answer 5

Pulmonary thromboembolism: note the presence of a large thrombus sitting astride the pulmonary bifurcation

Question 6

what is this?

Answer 6

Chest X-ray in Pulmonary embolism: Hampton’s hump

Question 7

what is this?

Answer 7

Chest X-ray in Pulmonary embolism: Hampton’s hump

Question 8

what is this?

Answer 8

fat embolism

Note presence of fat microglobules within pulmonary vessel

Question 9

what is this?

what stain is this positive for?

Answer 9

fat embolism

oil red o stain positive

Question 10

what is this?

Answer 10

Pulmonary vessel filled with squames in amniotic fluid embolism

Question 11

what is this?

Answer 11

Amniotic fluid embolism: Note: laminated squames within pulmonary vessels.

Question 12

what is this?

Answer 12

Red Infarct in heart: This pattern of infarct is associated with reperfusion injury.

Remember: classically in MI, you find ‘pale’ infarct.

Question 13

what is seen here?

Answer 13

Septic infarction: infective “vegetations” on heart valve