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  2. Rouleaux - Wikipedia

    en.wikipedia.org/wiki/Rouleaux

    Rouleaux formation on wet smear. Rouleaux (singular is rouleau) are stacks or aggregations of red blood cells (RBCs) that form because of the unique discoid shape of the cells in vertebrates. The flat surface of the discoid RBCs gives them a large surface area to make contact with and stick to each other; thus forming a rouleau.

  3. Blood compatibility testing - Wikipedia

    en.wikipedia.org/wiki/Blood_compatibility_testing

    Rouleaux causes red blood cells to stack together, which can mimic agglutination, causing a false positive result in the reverse grouping. This can be avoided by removing the plasma, replacing it with saline, and re-centrifuging the tube. Rouleaux will disappear once the plasma is replaced with saline, but true agglutination will persist.

  4. Erythrocyte aggregation - Wikipedia

    en.wikipedia.org/wiki/Erythrocyte_aggregation

    Erythrocyte aggregation is the reversible clumping of red blood cells (RBCs) under low shear forces or at stasis. Stacked red blood cells flow across drying slide. Erythrocytes aggregate in a special way, forming rouleaux. Rouleaux are stacks of erythrocytes which form because of the unique discoid shape of the cells in vertebrate body. The ...

  5. Blood pressure - Wikipedia

    en.wikipedia.org/wiki/Blood_pressure

    Mean blood pressure rises from early adulthood, plateauing in mid-life, while pulse pressure rises quite markedly after the age of 40. Consequently, in many older people, systolic blood pressure often exceeds the normal adult range, [33] if the diastolic pressure is in the normal range this is termed isolated systolic hypertension.

  6. What is a normal blood pressure reading? - AOL

    www.aol.com/lifestyle/normal-blood-pressure...

    "Your blood pressure is supposed to be under 140 over 90, optimally closer to 120 over 80."

  7. Hypotension - Wikipedia

    en.wikipedia.org/wiki/Hypotension

    Hypotension, also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. [1] Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood [2] and is indicated by two numbers, the systolic blood pressure (the top number) and the diastolic blood pressure (the bottom number), which are the ...

  8. Pathophysiology of hypertension - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of...

    A diagram explaining factors affecting arterial pressure. Pathophysiology is a study which explains the function of the body as it relates to diseases and conditions. The pathophysiology of hypertension is an area which attempts to explain mechanistically the causes of hypertension, which is a chronic disease characterized by elevation of blood pressure.

  9. Deaths of Elderly Women Were Chalked Up to Natural Causes ...

    www.aol.com/lifestyle/deaths-elderly-women-were...

    He was convicted of killing two elderly women, including Harris, NBC5 reported. Chemirmir, 50, was found murdered in his Texas prison cell by his cellmate in September 2023, per the Associated Press .

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