Patho Flashcards
Preload
Amount of blood returning to the ventricle, amount of blood avail to be pumped
3 circ systems
Endocrine
Lymphatic
Nervous
After load
Total resistance against which blood is pumped
Stroke volume
Amount of volume of blood ejected from a ventricle with each beat
Hyperplasia
Increase in number of cells from increased workload
Metaplasia
Cancer, replacement of one type of cell by another
Dysplasia
“scar”, change in cell size, shape of appearance that is stressor
Hypoxia
Not enough O2
Types of cellular injury
Hypoxia Nutritional imbalance Chemical-poison Infectious-virus, bacteria, fungus Immunologic/inflammatory-defense, body protecting Arthritis Lupus Fibromyalgia
Necrosis
Tissue death, cells swell and rupture
Types of cell death
Coagulation-lucky, acids, eat and stop
Liquefaction-unlucky, alkali, keep going
Faster injury leading to amputation
Necrotising faceitis
Genetic factors
Age, race, hair color, weight, height, cardiac, psych, cancer, sickle cell, Tay Sachs
Oldest known med
Aspirin-don’t know how it works
Hemochromatosis
Iron deficiency
Factor 8