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[3] [4] Laboratory studies such as serum erythropoeitin levels and genetic testing might be helpful to clarify the cause of polycythemia if the physical exam and patient history do not reveal a likely cause. [5] Mild polycythemia on its own is often asymptomatic. Treatment for polycythemia varies, and typically involves treating its underlying ...
In oncology, polycythemia vera (PV) is an uncommon myeloproliferative neoplasm in which the bone marrow makes too many red blood cells. [1] The majority of cases [2] are caused by mutations in the JAK2 gene, most commonly resulting in a single amino acid change in its protein product from valine to phenylalanine at position 617.
The 4 stages are sometimes known as the "Tennis" staging of hypovolemic shock, as the stages of blood loss (under 15% of volume, 15–30% of volume, 30–40% of volume and above 40% of volume) mimic the scores in a game of tennis: 15, 15–30, 30–40 and 40. [20] It is basically the same as used in classifying bleeding by blood loss. [citation ...
An increase in the ratio of RBCs to plasma volume, as seen in the setting of polycythemia and hypovolemia, decreases rouleaux formation and decreases sedimentation. Rouleaux formation is retarded by albumin proteins.
The ESR is decreased in polycythemia, hyperviscosity, sickle cell anemia, leukemia, chronic fatigue syndrome, [4] low plasma protein (due to liver or kidney disease) and congestive heart failure. Although increases in immunoglobulins usually increase the ESR, very high levels can reduce it again due to hyperviscosity of the plasma. [ 5 ]
[4] Today, the term phlebotomy refers to the drawing of blood for laboratory analysis or blood transfusion . [ 5 ] Therapeutic phlebotomy refers to the drawing of a unit of blood in specific cases like hemochromatosis , polycythemia vera , porphyria cutanea tarda , etc., to reduce the number of red blood cells.
This is a list of mnemonics used in medicine and medical science, categorized and alphabetized. A mnemonic is any technique that assists the human memory with information retention or retrieval by making abstract or impersonal information more accessible and meaningful, and therefore easier to remember; many of them are acronyms or initialisms which reduce a lengthy set of terms to a single ...
Poikilocytosis may be diagnosed with a test called a blood smear.During a blood smear, a medical technologist/clinical lab scientist spreads a thin layer of blood on a microscope slide and stains the blood to help differentiate the cells.