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The arm found to have the higher pressure discount telmisartan 20 mg amex arteria carpals, should be used for subsequent examinations 8 80mg telmisartan with mastercard arrhythmia course certification. Specimen Collection Specimen collection refers to collecting various specimens (samples), such as, stool, urine, blood and other body fluids or tissues, from the patient for diagnostic or therapeutic purposes. General Considerations for Specimen Collection When collecting specimen, near gloves to protect self from contact with body fluids. Get request for specimen collection and identify the types of specimen being collected and the patient from which the specimen collected. Get the appropriate specimen container and it should be clearly labeled have tight cover to seal the content and placed in the plastic bag or racks, so that it protects the laboratory technician from contamination while handling it. Give adequate explanation to the patient about the purpose, type of specimen being collected and the method used. When collecting specimen wear gloves to protect self from contact with the specimen (body fluids in particular) 6. Put the collected specimen into its container without contaminating outer parts of the container and its cover. All the specimens should be sent promptly to the laboratory, so that the temperature and time changes do not alter the content. Collecting Stool Specimen Basic Nursing Art 72 Purpose • For laboratory diagnosis, such as microscopic examination, culture and sensitivity tests. Equipments required • Clean bedpan or commode • Wooden spatula or applicator • Specimen container • Tissue paper • Laboratory requests • Disposable glove, for patients confined in bed • Bed protecting materials • Screen • Hand washing sets Procedure i) For ambulatory patient Give adequate instruction to the patient to • Defecate in clean bedpan or commode (toilet) • Avoid contaminating the specimen by urine, menstrual period or used tissue papers, because these may affect the laboratory analysis. Obtain stool sample • Take the used bedpan to utility room/toilet container using spatula or applicator without contaminating the outside of the container. Clean voided urine specimen (Also called clean catch or midstream urine specimen) 2. Timed urine specimen • It is two types Short period → 1-2 hours Long period → 24 hours Purpose • For routine laboratory analysis • To cheek the presence of cells or microorganisms • For culture and sensitivity tests Equipments Required • Disposable gloves • Specimen container • Laboratory requisition form (Completely filled) • Water and soap or cotton balls and antiseptic solutions (swabs). Obtain urine specimen • Ask patient to void • Let the initial part of the voiding passed into the receptacle (bed pan or urinal) then pass the next part (the midstream) into the specimen container. Care of the specimen and the equipment • Handle and label the container correctly • Send the urine specimen to the laboratory immediately together with the completed laboratory requested forms • Empty the receptacles content properly • Give appropriate care for the used equipments 6. Collecting the urine • Usually it is begin in the morning • Before you begin the timing, the patient should void and do not use this urine (It is the urine that has been in the bladder some time) • Then all urine voided during the specified time (e. Collecting sputum specimen Sputum is the mucus secretion from the lungs, bronchi and trachea, but it is different prom saliva.
Unlike these later stools 20mg telmisartan for sale arteria zygomatico orbital, meconium is sterile cheap telmisartan 20 mg with amex pulse pressure is; it is devoid of bacteria because the fetus is in a sterile environment and has not consumed any breast milk or formula. However, in 5–20 percent of births, the fetus has a bowel movement in utero, which can cause major complications in the newborn. This may be caused by maternal drug abuse (especially tobacco or cocaine), maternal hypertension, depletion of amniotic fluid, long labor or difficult birth, or a defect in the placenta that prevents it from delivering adequate oxygen to the fetus. Meconium passage is typically a complication of full-term or post-term newborns because it is rarely passed before 34 weeks of gestation, when the gastrointestinal system has matured and is appropriately controlled by nervous system stimuli. Fetal distress can stimulate the vagus nerve to trigger gastrointestinal peristalsis and relaxation of the anal sphincter. Notably, fetal hypoxic stress also induces a gasping reflex, increasing the likelihood that meconium will be inhaled into the fetal lungs. Although meconium is a sterile substance, it interferes with the antibiotic properties of the amniotic fluid and makes the newborn and mother more vulnerable to bacterial infections at birth and during the perinatal period. Specifically, inflammation of the fetal membranes, inflammation of the uterine lining, or neonatal sepsis (infection in the newborn) may occur. The first sign that a fetus has passed meconium usually does not come until childbirth, when the amniotic sac ruptures. Normal amniotic fluid is clear and watery, but amniotic fluid in which meconium has been passed is stained greenish or yellowish. Antibiotics given to the mother may reduce the incidence of maternal bacterial infections, but it is critical that meconium is aspirated from the newborn before the first breath. Under these conditions, an obstetrician will extensively aspirate the infant’s airways as soon as the head is delivered, while the rest of the infant’s body is still inside the birth canal. Aspiration of meconium with the first breath can result in labored breathing, a barrel-shaped chest, or a low Apgar score. An obstetrician can identify meconium aspiration by listening to the lungs with a stethoscope for a coarse rattling sound. Inhaled meconium after birth could obstruct a newborn’s airways leading to alveolar collapse, interfere with surfactant function by stripping it from the lungs, or cause pulmonary inflammation or hypertension. Any of these complications will make the newborn much more vulnerable to pulmonary infection, including pneumonia. This assumes that conception occurred on day 14 of 1342 Chapter 28 | Development and Inheritance the woman’s cycle, which is usually a good approximation. The 40 weeks of an average pregnancy are usually discussed in terms of three trimesters, each approximately 13 weeks.
Accurate reporting on this population will help in monitoring programme performance and developing re-treatment strategies generic telmisartan 20 mg amex heart attack song, and provide the required information for survey sampling generic telmisartan 80 mg free shipping blood pressure ranges low. Where this is not feasible but there is survey capacity, periodic surveys with separate sampling of new and re-treatment cases should be undertaken. The different types of re-treatment cases should be identified, namely relapse, failure and return after default. Financial support from the international community will be essential for such research. These data have helped identify areas of high prevalence of drug resistance, as well as provided valuable information for policy development; but most importantly, they have served to raise key questions about the behaviour, emergence, and control of drug resistance. These questions can only be addressed through continued expansion of routine surveillance and well organized operational research. The direct benefits come from measurements of the level of resistance in the population and thus quantification of the problem in terms of lives and cost, which allows appropriate interventions to be planned. The introduction of every antimicrobial agent into clinical practice for the treatment of infectious disease in humans and animals has been followed by the detection in the laboratory of isolates of resistant microorganisms, i. Such resistance may be either a characteristic associated with an entire species or acquired through mutation or gene transfer. Resistance genes encode information on a variety of mechanisms that microorganisms use to withstand the inhibitory effects of specific antimicrobials. These mechanisms can confer resistance to other antimicrobials of the same class and sometimes to several different antimicrobial classes. Subsequent transmission of such bacilli to other persons may lead to disease that is drug-resistant from the outset, an occurrence known as primary resistance. Because the terms are somewhat conceptual, the terms “resistance among new cases” and “resistance among previously treated cases” have been adopted as proxies. Moreover, incorrect management of individual cases, difficulties in selecting the appropriate chemotherapeutic regimen with the right dosage, and patient non-adherence to prescribed treatment also contribute to the development of drug resistance. The cure rates among patients harbouring multidrug-resistant isolates range from 6% to 59%. Countries can determine the magnitude of the problem through continuous surveillance or periodic surveys, and develop interventions accordingly. Many countries that might be expected to have resistance problems do not yet have the infrastructure or political will to monitor the situation. The data obtained through the Global Project therefore reflect only the situation in countries with the capacity to carry out a survey. The long-term success of these initiatives will be enhanced by assurance that the increased distribution of antimicrobial drugs does not unduly accelerate the emergence of resistance. Thus, programmes to ensure the appropriate use of drugs and to monitor drug resistance should be put into place. Private practitioners in those countries placed an undue emphasis on chest radiography for diagnosis. They rarely used the initial and follow-up sputum examinations, and tended to prescribe inappropriate drug regimens, often with incorrect combinations, and inaccurate dosages for the wrong duration54,55,56,57 In addition, there was little attention to maintaining records, notifying cases and evaluating treatment outcomes.
Meiosis - occurs only in germ cells (sperm=spermatozoa and egg=oocyte) generic 20mg telmisartan otc blood pressure 150100, producing genetically different progeny cheap telmisartan 80 mg on line prehypertension the rationale for early drug therapy. Zygotene - homologous chromosomes become closely associated (synapsis) to form pairs of chromosomes consisting of four chromatids (tetrads). Pachytene - crossing over between pairs of homologous chromosomes to form chiasmata (form between two nonsister chromatids at points where they have crossed over) Diplotene - homologous chromosomes begin to separate but remain attached by chiasmata. Diakinesis - homologous chromosomes continue to separate, and chiasmata move to the ends of the chromosomes. Metaphase I Homologous pairs of chromosomes (bivalents) arranged as a double row along the metaphase plate. The arrangement of the paired chromosomes with respect to the poles of the spindle apparatus is random along the metaphase plate. Human beings have 23 different chromosomes, so the number of possible combinations is 223, which is over 8 million. Recent research in mice suggest that the position of oocyte polar body may influence fertilization site. Abnormalities The most common chromosome abnormality is aneuploidy, the gain or loss of whole chromosomes. Fertilization is the complete process resulting in the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Spermatozoa Capacitation - following release (ejaculation) and mixing with other glandular secretions, activates motility and acrosome preparation. Endocrinology - Diagram of the comparative anatomy of the male and female reproductive tracts (http://www. How the cortical reaction in a mouse egg is thought to prevent additional sperm from entering the egg (http://www. At the end of the first week and within the second week the process of implantation and early differentiation of cells that will form the embryo and the placenta. Uterine Glands - secretions required for blastocyst motility and nutrition Week 2 - Implantation Movie - Implantation (http://embryology. This misplaced tissue develops into growths or lesions which respond to the menstrual cycle hormonal changes in the same way that the tissue of the uterine lining does; each month the tissue builds up, breaks down, and sheds. In monozygotic twinning the genetic material is initially identical and degree of twinning will depend upon the timing (early to late) from separate fetal membranes and placenta to conjoined twins. Alberts, Bruce; Johnson, Alexander; Lewis, Julian; Raff, Martin; Roberts, Keith; Walter, Peter New York and London: Garland Science; c2002 - Fertilization (http://www. Note that we will be covering only the early events of placentation and a later lecture will cover this topic in more detail. Lectopia Lecture Audio Lecture Overview Understand broadly the events of week 2-3 of human development Understand the process early placentation, villi formation Understand the process of gastrulation Understand the process of axis formation Early Placentation Movie - Implantation (http://embryology.
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