White and red infarcts are terms used to describe different types of tissue damage that occur due to insufficient blood supply (ischemia) to an organ, typically the heart or other vital organs. These terms are often used in the context of heart attacks (myocardial infarctions) but can apply to otherRead more
White and red infarcts are terms used to describe different types of tissue damage that occur due to insufficient blood supply (ischemia) to an organ, typically the heart or other vital organs. These terms are often used in the context of heart attacks (myocardial infarctions) but can apply to other tissues as well. Here’s a brief overview of the differences:
1. Red Infarct:
– Occurs in organs with dual blood supply or loose tissues, such as the lungs and intestines.
– Typically seen in venous occlusions or in tissues with collateral circulation.
– Blood stagnation and congestion lead to the infarcted area having a reddish appearance.
– It can be associated with hemorrhage due to the leakage of blood from damaged vessels.
2. White Infarct:
– Occurs in solid organs with end-arterial circulation, such as the heart and spleen.
– Typically seen in arterial occlusions.
– Blood supply is compromised, leading to coagulative necrosis and a pale appearance.
– There is less blood present, so hemorrhage is less likely compared to red infarcts.
Both types of infarcts are manifestations of ischemic tissue damage, but the underlying factors, appearances, and consequences differ based on the organ involved and the blood supply characteristics.
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1. Bearing down, with a sensation of heavy weight and pressure in uterine region, as if whole contents would press out through vagina; > by the pressure of hand against the vulva. 2. Severe neuralgic pain in the uterus; could not bear touch; not even the weight of bedclothes or slightest jar; antRead more
1. Bearing down, with a sensation of heavy weight and pressure in uterine region, as if whole contents would press out through vagina; > by the pressure of hand against the vulva.
See less2. Severe neuralgic pain in the uterus; could not bear touch; not even the weight of bedclothes or slightest jar; anteversion; retroversion; prolapsus.
3. Fundus of uterus low down, tilted against bladder, the os pressing upon rectum.
4. Bearing down in uterus, with pains in l. ovary and mamma.─Leucorrhœa; bright yellow, acrid, excoriating; leaving a brown stain; after menses.
5. Amenorrhœa: accompanied by cardiac distress, or with ovarian pains of a burning or stinging character; if complicated with a prolapsed or anteverted uterus; partial, the menses returning occasionally, or again remain absent for some time.
6. Sensation of dragging down from the shoulders and chest, feeling as if she wants to be held up; abdomen feels as if it must be supported; as if it must be held up with both hands.