121 week 5 chapter 8 urinary system recent
TRANSCRIPT
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Urinary System Diseases and Disorders
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Objectives
• Identify anatomy and physiology of the urinary system
• Recognize common symptoms and treatments of the urinary system diseases and conditions
• Differentiate various diseases/ conditions of the urinary system
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Objective #1: Identify anatomy and physiology of the urinary
system
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Function of the kidneys
• Excretion of unwanted substances
• Maintenance of water balance
• Regulation of acid-base balance
• Regulation of blood pressure
• Regulation of red blood cell production
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Route blood travels through the kidneys
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Objective #2: Recognize common symptoms of the
urinary system• Anorexia, nausea, vomiting• Malaise, fatigue, lethargy• Nocturia, hematuria, pyuria, proteinuria• Dysuria, urgency, frequency• Pain in lumbar region, flank, pubic area• Fever• Edema, ascites• Respiratory, cardiovascular (hypertension,
shortness of breath)
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Common Drug Treatments for Urinary Tract Diseases
• Diuretics used to treat edema, nephrotic disease, renal failure, cardiovascular disease
• Sulfonamides (TMPSMZ, Septa, Bactrim) used to treat uncomplicated urinary tract infections
• Urinary analgesics (Pyridium)
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Objective #3 Differentiate various disease/conditions of
the urinary system
• Polycystic Kidney Disease• Glomerulonephritis• End Stage Renal Disease• Renal Calculi• Cystitis/Urethritis• Tumors of the Bladder
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Disease: Cystitis and Urethritis
• Description: inflammation of the bladder/urethra
• Etiology: E-coli?• Signs & Symptoms:
dysuria, frequency, urgency, pain
• Diagnostic procedures: UA
• Treatment: ABO/Sulfa• Prognosis: good
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Disease: Tumors of the bladder
• Description: 4th leading cause CA men; malignant; metastasizes
• Etiology: smoking?• Signs & Symptoms:
asymptomatic until advanced; hematuria
• Diagnostic procedures: PE; UA; cystoscopy, IVP
• Treatment: surgery, endoscopic resection, TURP
• Prognosis: varies according to depth
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Cystoscopy
• Scope inserted through urethra to view the bladder
• cystoscopy-male
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Intravenous Pyelography (IVP)
• X-ray of urinary system including kidneys, ureters, & bladder
• Used to detect tumors, kidney stones, enlarged prostate
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Disease: Polycystic Kidney Disease
• Description: defect of collecting tubules (cortex)• Etiology: genetic defect (adult onset)• Signs & Symptoms: colic, lumbar pain, hematuria,
hypertension• Diagnostic procedures: PE reveals enlarged kidneys;
urography; US; CT • Treatment: supportive; dialysis; transplant• Prognosis: poor – no cure
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Disease: Glomerulonephritis (Acute poststreptococcal
glomerulonephritis)• Description: inflammation of the
glomeruli; rate of filtration decreased, increase in fluid retention
• Etiology: antigen-antibody complex becomes trapped in capillaries of glomeruli
• Signs & Symptoms: hematuria, H/A, edema, lumbar pain
• Diagnostic procedures: PE (Hx strep?), ↑BUN, ↑ creatinine, rapid SED, UA (blood & protein), renal bx
• Treatment: supportive, bedrest, diet restrictions (salt, protein, fluid)
• Prognosis: good
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Disease: End Stage Renal Disease(ESRD); Chronic Renal Failure
(CRF)• Description: gradual
deterioration of kidneys; unable to excrete urea & creatinine (toxic levels)
• Etiology: diabetes; hypertensive renal disease
• Signs & Symptoms: affects all body systems
• Diagnostic procedures: blood tests (↑ creatinine, BUN, K, ↓ hematocrit, hemoglobin; UA reveals protein, low specific gravity; US; renal scan
• Treatment: symptomatic; dialysis; transplant
• Prognosis: very poor
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Disease: Renal Calculi (Uroliths, Kidney Stones)
• Description: common cause of urine obstruction
• Etiology: low urine volume, dehydration, UTI, prolonged bedrest
• Signs & Symptoms: sudden, severe flank pain
• Diagnostic procedures: UA, KUB, IVP
• Treatment: lithotripsy; increase fluids; antibiotics
• Prognosis: 60% chance will form another stone