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embolism - Coggle Diagram
embolism
Fat embolism
causes
fractures of long bones
soft tissue trauma,
burns.
90% of skeletal injuries,
10% symptomatic
Pathogenesis
Mechanical obstruction
++platelet aggregation.
directly
Biochemical injury
FA
toxic endothelial injury
Amniotic fluid embolism
causes
tear in the placental membranes
rupture of uterine and/or cervical veins,
pathogenesis
amniotic fluid .
maternal
circulation
DIC.
death on table or immediately postpartum
Embolus:
detached intravascular mass carried by
the blood to a site
types
Tumour
Fat
Amniotic
Air
Miscellaneous
Detached
parasitic
red cell aggregates
fate
large
+bacteria
pyemia
-bacteria
+collateral
no change
-collateral
infarction
gangrene
small
resolution
thromboembolism
(Detached)
99%
classification
aseptic.
septic
Venous (Pulmonary)
effect
Medium
:red_cross:smaller branches of PA
:smiley:lungs
no infract
:frowning_face:lung
hemorrhagic infarct
Multiple minute
more peripheral branches
microinfarcts
silent
showers
pulmonary hypertension
right heart failure
=chronic core pulmonale
Large
:red_cross:main pulmonary artery
no infract
sudden death
or
acute heart failure.
=core pulmonale
Fate
incorporated
endothelialized
pulmonary
atherosclerosis.
Clinical
silent
60-80%
:recycle:bronchial circulation
fibrinolytic
small embolus
shock
60% of PA :red_cross:
infarction
obstruction of small to medium pulmonary
circulatory insufficiency
pulmonary hypertension,
showers
sclerosis
Systemic thromboembolism
left heart
Infective
mitral and aortic valves
thrombi
Left atrial
Mural
left ventricle.
aorta.
on atheromatous lesions
Paradoxical
venous
septal defect.
arterial
Effects
infarct.
end arteries
70-75% :footprints:
Septic
bacterial endocarditis
infected thrombi
pyemic abscess.
Air embolism
causes
delivery
artificial pneumothorax
lung or chest wall Injury
large neck vein Injury
blood or fluid infusion
50-100 c.c. of air
sudden death or
acute heart failure
Caisson's disease :water_polo:
deep diving
rapid decompression
nitrogen and helium
gaseous emboli
coma
death,
respiratory distress,
ischemic necrosis spinal cord.
pain,