by Jon Haws RN: Critical Care Nurse & NCLEX Educator
By Jon Haws RN: Critical Care Nurse NCLEX Educator Quick . . . is the aPTT within normal range? Are you sweating a bit? Nervous? Head over to NURSING.com/freebies for our free cheat sheet covering the 63 most important lab values for nurses. This podcast covers one essential lab value for episode including normal ranges, nursing considerations, and background information. Normal lab values are hard to keep straight. This show includes the most common including: Creatinine, WBC, BUN, aPTT, blood gasses, and more. Welcome to the Nursing family! For full disclaimer information visit nursing.com.
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September 27, 2023
<p><strong><span style= "font-size: 14pt;">Normal</span></strong><br /> <150 mg/dL</p> <p><br /> <strong><span style= "font-size: 14pt;">Indications</span></strong></p> <ul> <li>Evaluate for: <ul> <li>Elevated triglycerides</li> <li>Risk for atherosclerotic heart disease and stroke</li> </ul> </li> </ul> <p><br /> <strong><span style= "font-size: 14pt;">Description</span></strong><br /> Triglycerides (TG) are required to provide energy during the metabolic process, excess triglycerides are stored in adipose tissue.</p> <p><br /> <strong><span style="font-size: 14pt;">What would cause increased levels?</span></strong></p> <ul> <li>Myocardial Infarction (MI)</li> <li>Alcoholism</li> <li>Alcoholic cirrhosis</li> <li>High carbohydrate diet</li> <li>Anorexia nervosa</li> <li>Cirrhosis</li> <li>Hypertension (HTN)</li> <li>Nephrotic Syndrome</li> <li>Obesity</li> <li>Renal failure</li> <li>Pancreatitis</li> <li>Stress</li> </ul> <p><br /> <strong><span style="font-size: 14pt;">What would cause decreased levels?</span></strong></p> <ul> <li>Chronic Obstructive Pulmonary Disease (COPD)</li> <li>Liver disease</li> <li>Hyperthyroidism</li> <li>Malnutrition</li> <li>Malabsorption</li> </ul>
September 25, 2023
<p><strong><span style= "font-size: 14pt;">Normal</span></strong><br /> 135-145 mEq/L</p> <p><br /> <strong><span style= "font-size: 14pt;">Indications</span></strong></p> <ul> <li>Monitor:</li> <li>Extracellular osmolality</li> <li>Electrolyte imbalance</li> </ul> <p><br /> <strong><span style= "font-size: 14pt;">Description</span></strong><br /> Sodium (Na+) is the most abundant cation in extracellular fluid. Sodium aids in osmotic pressure, renal retention and excretion of water, acid-base balance, regulation of other cations and anions in the body. Sodium plays a role in blood pressure regulation and stimulation of neuromuscular reactions. Sodium and water have a direct relationship; water follows salt.</p> <p><br /> <strong><span style="font-size: 14pt;">What would cause increased levels?</span></strong></p> <ul> <li>Cushing Syndrome</li> <li>Hyperaldosteronism</li> <li>Dehydration</li> <li>Burn injury</li> <li>Azotemia (elevated nitrogen)</li> <li>Lactic acidosis (LA)</li> <li>Fever/excessive sweating</li> <li>Excessive IV fluids containing sodium</li> <li>Diabetes Insipidus</li> <li>Osmotic diuresis</li> </ul> <p><br /> <strong><span style="font-size: 14pt;">What would cause decreased levels?</span></strong></p> <ul> <li>Congestive Heart Failure (CHF)</li> <li>Syndrome of Inappropriate</li> <li>Antidiuretic Hormone (SIADH)</li> <li>Cystic Fibrosis</li> <li>Diuretic use</li> <li>Metabolic acidosis</li> <li>Addison’s Disease</li> <li>Nephrotic Syndrome</li> <li>Vomiting</li> <li>Diarrhea</li> <li>Ascites</li> <li>Excessive Antidiuretic</li> <li>Hormone(ADH)</li> <li>Liver failure</li> </ul>
September 20, 2023
<p><strong><span style= "font-size: 14pt;">Normal</span></strong><br /> 3.5 - 5.0 mEq/L</p> <p><br /> <strong><span style= "font-size: 14pt;">Indications</span></strong></p> <ul> <li>Evaluate: <ul> <li>Electrolyte imbalances</li> <li>Cardiac arrhythmias</li> </ul> </li> <li>Monitor patients who are: <ul> <li>Acidotic</li> <li>Receiving diuretic therapy</li> </ul> </li> </ul> <p><br /> <strong><span style= "font-size: 14pt;">Description</span></strong></p> <p>Potassium (K+) is the most abundant intracellular cation and plays a vital role in the transmission of electrical impulses in cardiac and skeletal muscle. It plays a role in acid base equilibrium. In states of acidosis hydrogen will enter the cell which will force potassium out of the cell. A 0.1 decrease in pH will cause a 0.5 increase in K+.</p> <p><br /> <strong><span style="font-size: 14pt;">What would cause increased levels?</span></strong></p> <ul> <li>Renal failure</li> <li>Hypoaldosteronism</li> <li>Addison’s disease</li> <li>Injury to tissues</li> <li>Diabetes Mellitus (DM)</li> <li>Ketoacidosis</li> <li>Hyperventilation</li> <li>Acidosis</li> <li>Infection</li> <li>Dehydration</li> <li>Burns</li> </ul> <p><br /> <strong><span style="font-size: 14pt;">What would cause decreased levels?</span></strong></p> <ul> <li>Hyperaldosteronism</li> <li>Excess insulin</li> <li>Alkalosis</li> <li>Diarrhea</li> <li>Vomiting</li> <li>Cystic Fibrosis</li> <li>Cushing Syndrome</li> </ul>
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