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19 Cards in this Set

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Diabetes Mellitus

Risk Factor: Acanthosis Nigricans (gray-brown skin pigmentations in skin folds)


Characteristics: Fasting blood glucose (>126 mg/dL) [Normal Blood Glucose: 1) Fasting (70-100 mg/dL) 2) 2 Hours Post Prandial (<140 mg/dL)]


Goal: Maintain normal blood glucose (average pre-prandial goal 70-130 mg/dL; peak post-prandial average <180 mg/dL)


Treatment: Fixed daily doses of insulin (Type 1 and Type 2); Adjust pre-meal insulin dosages based on total CHO content of each meal using insulin-to-CHO ratio; Reduce insulin dosage with exercise


Diet: Consistency of CHO

Risk Factor, Characteristics, Goal, Treatment, Diet

Glycosylated Hemoglobin (HbA1C)

Definition: Measures % of hemoglobin that has glucose attached; Measure of long-term glucose control (60-90 days)


Goal for DM: <7.0% (at risk for developing DM 5.7-6.4%)

Definition, Goal for DM

Gestational Diabetes

Risk Factors: BMI >30; History of GDM


Complications: Increases risk for fetal macrosomia (LGA- large for gestational age) and fetal hypoglycemia at birth

Risk Factors, Complications

Insulin

Rapid Acting: Novolog and Humalog; take 5-15 minutes before eating; duration of 4 hours


Short Acting (Regular): take 30-45 minutes before meal (burst of insulin to cover meal, 1 unit covers 10-15 grams


Intermediate-Acting: NPH; onset 2-4 hours; duration 10-16 hours


Long-Acting: Lantus; onset 2-4 hours; duration 20-24 hours

Types, Onset, Duration

Oral Glucose Lowering Medications (OGA's)- Insulin Secretagogues

Examples: Sulfonylureas, meglitinides (Glucotrol)


Mechanism: Promote insulin secretion

Examples, Mechanism

Oral Glucose Lowering Medications (OGA's)- Biguanides

Examples: Metformin (Glucophage)


Mechanism: Enhances insulin action, suppress hepatic glucose production

Examples, Mechanism

Dawn Phenomenon

Definition: Natural increase in early morning blood glucose and insulin requirements due to increased glucose production in liver after overnight fast; Increased need for insulin at dawn

Definition

Acute Complications of Uncontrolled Diabetes

Ketoacidosis: severe hyperglycemia treated with insulin and rehydration


Hypoglycemia: symptoms (hungry); treatment includes 15 g CHO from glucose tablets; If BG still <70 mg/dL after 15 minutes give another 15 g CHO

Ketoacidosis, Hypoglycemia

Long-Term Complications of Uncontrolled Diabetes

Neuropathy: peripheral and autonomic; gastroparesis


Retinopathy: leads to blindness


Nephropathy: leads to decreased kidney function

Neuropathy, Retinopathy, Nephropathy

Postprandial or Reactive Hypoglycemia

Definition: Overstimulation of pancreas or increase insulin sensitivity


Goal: Prevent rise in blood glucose that would stimulate more insulin


Diet: Avoid simple sugars; 5-6 small meals per day; spread out CHO intake throughout the day; Protein at RDA levels

Definition, Goal, Diet

Hypothyroidism

Definition: Deficiency of thyroid hormone (T4 low)


Diet: Weight reduction

Definition, Diet

Gout

Definition: Disorder of purine metabolism


Complications: Increased serum uric acid deposits in joints causing pain and swelling

Definition, Complications

Hyperthyroidism

Complications: Increased BMR leading to weight loss

Complications

Galactosemia

Definition: Due to missing enzyme that would have converted galactose-1-PO4 into glucose-1-PO4


Diet: Galactose and lactose free

Definition, Diet

Urea Cycle Defects

Definition: Unable to synthesize urea from ammonia resulting in ammonia accumulation


Complications: Siezures


Diet: Protein restriction (1.0, 1.5, 2.0 g/kg based on tolerance, age, projected growth rate) to lower ammonia

Definition, Complications, Diet

Phenylketonuria (PKU)

Definition: Missing enzyme - phenylalanine hydroxylase - which would convert phenylalanine into tyrosine; phenylalanine and metabolites accumulate leading to poor intellectual function


Diet: Restrict substrate phenylalanine (PHE) and supplement product tyrosine (TYR); Provide enough PHE for normal growth; Need for PHE decreases with age, infection; Avoid aspartame; Low protein, high CHO intakes may lead to increased dental caries

Definition, Diet

Glycogen Storage Disease

Definition: Deficiency of glucose-6-phosphatase in liver; Impairs gluconeogenesis and glycogenolysis

Definition

Homocystinurias

Definition: Treatable inherited disorder of amino acid metabolism; Associated with low levels of folate, B6, B12


Treatment: Newly diagnosed patients receive increased doses of folate, pyridoxine (B6), B12


Diet: Low protein, low methionine diet if don't respond to treatment

Definition, Treatment, Diet

Maple Syrup Urine Disease (MSUD)

Definition: Inborn error of metabolism of the BCAAs leucine, isoleucine, valine


Symptoms: Poor sucking reflex


Diet: Provide adequate energy from CHO and fat to spare amino acids; Include small amounts of milk to support growth- gelatin may be used; Avoid eggs, meat, nuts, other dairy products

Definition, Symptoms, Diet