*NURSING > STUDY GUIDE > NR 328 Exam 2 Study Guide / NR328 Peds ATI Test (Latest): Pediatric Nursing: NR 328 Pediatric Nursin (All)
NR 328 Exam 2 Study Guide Fluid & Electrolytes • Signs and symptoms of fluid overload pg. 1056 pg. 949 & 956-957 Generalized edema, pulmonary edema (moist rales & crackles), Hepatomegaly, slow bound... ing pulse, weight gain, lethargy, elevated venous pressure, seizures, coma. Lab findings: Decreased serum electrolytes, low urine specific gravity, decreased hematocrit, variable urine volume. • Signs and symptoms of fluid deficit pg. 1056 pg. 949 & 951-955 Top 3: #1 Poor skin turgor #2 abnormal respirations= Tachypnea #3 Prolonged capillary refill >2 secs Tachycardia, dry skin & mucous membranes, sunken eyes & fontanels, irritability, lethargy, thirst, weight loss, diminished urine output, and altered level of consciousness, disorientation. Lab findings: High urine specific gravity, increased hematocrit, increased BUN, increased serum osmolality • Hypo and hyperkalemia & Foods that contain potassium Pg. 1359 pg. 1271 Hypokalemia: o < 3.5 mEq/L o Abnormal EKG; notched or flattened T waves, decreased ST segment, premature ventricular contractions o Muscle weakness, cramping, stiffness, paralysis, hyporeflexia, hypotension, cardiac arrhythmias, gallop rhythm, tachycardia or bradycardia, ileus, apathy, drowsiness, irritability, fatigue Hyperkalemia: o > 5.5 mEq/L o Variable urine volume o Flat P wave on ECG, peaked T waves, widened QRS complex, increased PR interval o Muscle weakness, flaccid paralysis, twitching, hyperreflexia, bradycardia, ventricular fibrillation and cardiac arrest, oliguria, apnea—respiratory arrest Foods that contain potassium: Foods with thick skin: Oranges, banana, nuts, squash, carrots, broccoli, kale, tomatoes, beans, avocado, fish, mushrooms • Signs and symptoms of hypo & hypernatremia pg. 1056 pg. 949-950 Hyponatremia (less than 135 mEq): anorexia, nausea, vomiting, weakness, lethargy, confusion, muscle cramps, twitching, & seizures. Hypernatremia (more than 145 mEq): Thirst, hyperpyrexia (Extremely high fever), sticky mucous membranes, dry mouth, oliguria (diminished urine output) hallucinations, lethargy, irritability, & seizures. • Types of dehydration: Isotonic, hypotonic, hypertonic (see Ecollege:DocSharing: Powerpoints: GI dysfunction) Babies= ECF > ICF (75% water) leads to more rapid loss Isotonic Dehydration: This is the primary form of dehydration occurring in children (Na remains normal since H2O loss and electrolyte loss are equal. Leads to shock) H2O loss = electrolyte loss hypovolemic shock. The major loss is from the ECF. Symptoms are related to hypovolemic shock Hypotonic Dehydration: Dehydration occurs when the electrolyte deficit exceeds the water deficit. Water moves from ECF to ICF which further increases the ECF volume loss and leads to shock. (Na level usually less than 130 mEq/L) Electrolyte loss >H2O loss shock & seizures (low sodium) Hypertonic Dehydration: Dehydration results from water loss in excess of electrolyte loss and is usually caused by a proportionately larger loss of water or a larger intake of electrolytes. This type of dehydration is the most dangerous and requires much more specific fluid of therapy. (Na level usually greater than 150 mEq/L Causes lethargy, seizures, hyperirritability to stimuli losing fluid from the ICF) H20 loss > electrolyte loss neuro. [Show More]
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