Items in AFP with MESH term: Fluid Therapy

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Clostridium difficile-Associated Diarrhea - Article

ABSTRACT: Clostridium difficile infection is responsible for approximately 3 million cases of diarrhea and colitis annually in the United States. The mortality rate is 1 to 2.5 percent. Early diagnosis and prompt aggressive treatment are critical in managing C. difficile-associated diarrhea. Major predisposing factors for symptomatic C. difficile colitis include antibiotic therapy; advanced age; multiple, severe underlying diseases; and a faulty immune response to C. difficile toxins. The most common confirmatory study is an enzyme immunoassay for C. difficile toxins A and B. The test is easy to perform, and results are available in two to four hours. Specificity of the assay is high (93 to 100 percent), but sensitivity ranges from 63 to 99 percent. In severe cases, flexible sigmoidoscopy can provide an immediate diagnosis. Treatment of C. difficile-associated diarrhea includes discontinuation of the precipitating antibiotic (if possible) and the administration of metronidazole or vancomycin. Preventive measures include the judicious use of antibiotics, thorough hand washing between patient contacts, use of precautions when handling an infected patient or items in the patient's immediate environment, proper disinfection of objects, education of staff members, and isolation of the patient.


Diarrhea in Adults (Acute) - Clinical Evidence Handbook


Hypodermoclysis in the Treatment of Dehydration - Editorials


Intravenous Fluids for Children with Gastroenteritis - FPIN's Clinical Inquiries


Acute Renal Failure - Clinical Evidence Handbook


Diagnosis and Management of Dehydration in Children - Article

ABSTRACT: The most useful individual signs for identifying dehydration in children are prolonged capillary refill time, abnormal skin turgor, and abnormal respiratory pattern. However, clinical dehydration scales based on a combination of physical examination findings are better predictors than individual signs. Oral rehydration therapy is the preferred treatment of mild to moderate dehydration caused by diarrhea in children. Appropriate oral rehydration therapy is as effective as intravenous fluid in managing fluid and electrolyte losses and has many advantages. Goals of oral rehydration therapy are restoration of circulating blood volume, restoration of interstitial fluid volume, and maintenance of rehydration. When rehydration is achieved, a normal age-appropriate diet should be initiated.


Gastroenteritis in Children: Principles of Diagnosis and Treatment - Article

ABSTRACT: Gastroenteritis in children is a common reason for visits to family physicians. Most cases of gastroenteritis have a viral etiology and are self-limited. However, more severe or prolonged cases of gastroenteritis can result in dehydration with significant morbidity and mortality. This is often the scenario in third-world countries, where gastroenteritis results in 3 million deaths annually. A proper clinical evaluation will allow the physician to estimate the percentage of dehydration and determine appropriate therapy. In some situations, laboratory studies such as determination of blood urea nitrogen and serum electrolytes may be helpful. Stool studies are indicated if a child is having bloody diarrhea or if an unusual etiology is suspected, such as Escherichia coli O157:H7 or Cryptosporidium. Most children with gastroenteritis can be treated with physiologically balanced oral rehydration solutions. In children who are hypovolemic, lethargic and estimated to be more than 5 percent dehydrated, initial treatment with intravenous boluses of isotonic saline or Ringer's lactate may be required. Children with severe diarrhea need nutrition to restore digestive function and, generally, food should not be withheld.


Management of Diabetic Ketoacidosis - Article

ABSTRACT: Diabetic ketoacidosis is an emergency medical condition that can be life-threatening if not treated properly. The incidence of this condition may be increasing, and a 1 to 2 percent mortality rate has stubbornly persisted since the 1970s. Diabetic ketoacidosis occurs most often in patients with type 1 diabetes (formerly called insulin-dependent diabetes mellitus); however, its occurrence in patients with type 2 diabetes (formerly called non-insulin-dependent diabetes mellitus), particularly obese black patients, is not as rare as was once thought. The management of patients with diabetic ketoacidosis includes obtaining a thorough but rapid history and performing a physical examination in an attempt to identify possible precipitating factors. The major treatment of this condition is initial rehydration (using isotonic saline) with subsequent potassium replacement and low-dose insulin therapy. The use of bicarbonate is not recommended in most patients. Cerebral edema, one of the most dire complications of diabetic ketoacidosis, occurs more commonly in children and adolescents than in adults. Continuous follow-up of patients using treatment algorithms and flow sheets can help to minimize adverse outcomes. Preventive measures include patient education and instructions for the patient to contact the physician early during an illness.


Management of the Hyperosmolar Hyperglycemic Syndrome - Article

ABSTRACT: Hyperglycemic hyperosmolarity is part of a clinical spectrum of severe hyperglycemic disorders ranging from pure hyperglycemic hyperosmolarity without ketosis to diabetic ketoacidosis, with significant overlap in the middle. From 50 to 75 percent of hospitalizable patients who have uncontrolled diabetes present with significant hyperosmolarity. An altered state of consciousness attributable to uncontrolled diabetes is virtually always the result of severe hyperosmolar hyperglycemia. The linchpin of therapy is prompt, rapid administration of crystalloid solutions that have tonicity appropriate to the level of hyperosmolarity. A decrease in the plasma glucose concentration indicates the adequacy of therapy, especially rehydration; the goal is for the plasma glucose level to decline by at least 75 to 100 mg per dL (4.2 to 5.6 mmol per L) per hour. Patients with hyperosmolar hyperglycemic syndrome are often chronically ill, and they may have major total body deficits of potassium, phosphate and magnesium, as well as B-complex vitamins (especially thiamine). These deficits also require attention and correction during therapy.


Treatment of Right Ventricular Infarction - Editorials


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