Acute kidney failure – Symptoms and causes

Overview

Kidney cross section

Kidney cross section

Kidney cross section

Blood enters your kidneys through your nephritic arteries. Your kidneys remove overindulgence fluid and neutralize material from your blood through units called nephrons. Each nephron contains a filter ( glomerulus ) that has a net of bantam blood vessels called capillaries. The glomerulus filter waste products and substances your body needs — such as sodium, phosphorus and potassium — which then pass through bantam tubules. The substances your body needs are reabsorbed into your bloodstream. The waste products flow through the ureters — the tubes that lead to the bladder .
Acute kidney failure occurs when your kidneys abruptly become unable to filter waste products from your rake. When your kidneys lose their percolate ability, dangerous levels of wastes may accumulate, and your blood ‘s chemical constitution may get out of balance .
Acute kidney bankruptcy — besides called acuate nephritic failure or acute kidney injury — develops quickly, normally in less than a few days. Acute kidney failure is most park in people who are already hospitalized, peculiarly in critically ill people who need intensive care.

Acute kidney failure can be black and requires intensive treatment. however, acute kidney failure may be reversible. If you ‘re differently in good health, you may recover normal or about normal kidney function .

Symptoms

Signs and symptoms of acute kidney failure may include :

  • Decreased urine output, although occasionally urine output remains normal
  • Fluid retention, causing swelling in your legs, ankles or feet
  • Shortness of breath
  • Fatigue
  • Confusion
  • Nausea
  • Weakness
  • Irregular heartbeat
  • Chest pain or pressure
  • Seizures or coma in severe cases

sometimes acute accent kidney failure causes no signs or symptoms and is detected through lab tests done for another argue .

When to see a doctor

See your sophisticate immediately or seek emergency care if you have signs or symptoms of acute kidney bankruptcy.

Causes

Acute kidney failure can occur when :

  • You have a condition that slows blood flow to your kidneys
  • You experience direct damage to your kidneys
  • Your kidneys’ urine drainage tubes (ureters) become blocked and wastes can’t leave your body through your urine

Impaired blood flow to the kidneys

Diseases and conditions that may slow rake flow to the kidneys and lead to kidney injury include :

  • Blood or fluid loss
  • Blood pressure medications
  • Heart attack
  • Heart disease
  • Infection
  • Liver failure
  • Use of aspirin, ibuprofen (Advil, Motrin IB, others), naproxen sodium (Aleve, others) or related drugs
  • Severe allergic reaction (anaphylaxis)
  • Severe burns
  • Severe dehydration

Damage to the kidneys

These diseases, conditions and agents may damage the kidneys and lead to acute kidney failure :

  • Blood clots in the veins and arteries in and around the kidneys
  • Cholesterol deposits that block blood flow in the kidneys
  • Glomerulonephritis (gloe-mer-u-loe-nuh-FRY-tis), inflammation of the tiny filters in the kidneys (glomeruli)
  • Hemolytic uremic syndrome, a condition that results from premature destruction of red blood cells
  • Infection, such as with the virus that causes coronavirus disease 2019 (COVID-19)
  • Lupus, an immune system disorder causing glomerulonephritis
  • Medications, such as certain chemotherapy drugs, antibiotics and dyes used during imaging tests
  • Scleroderma, a group of rare diseases affecting the skin and connective tissues
  • Thrombotic thrombocytopenic purpura, a rare blood disorder
  • Toxins, such as alcohol, heavy metals and cocaine
  • Muscle tissue breakdown (rhabdomyolysis) that leads to kidney damage caused by toxins from muscle tissue destruction
  • Breakdown of tumor cells (tumor lysis syndrome), which leads to the release of toxins that can cause kidney injury

Urine blockage in the kidneys

Diseases and conditions that block the passage of urine out of the body ( urinary obstructions ) and can lead to acute kidney injury include :

  • Bladder cancer
  • Blood clots in the urinary tract
  • Cervical cancer
  • Colon cancer
  • Enlarged prostate
  • Kidney stones
  • Nerve damage involving the nerves that control the bladder
  • Prostate cancer

Risk factors

Acute kidney bankruptcy about always occurs in association with another checkup circumstance or consequence. Conditions that can increase your risk of acute kidney bankruptcy include :

  • Being hospitalized, especially for a serious condition that requires intensive care
  • Advanced age
  • Blockages in the blood vessels in your arms or legs (peripheral artery disease)
  • Diabetes
  • High blood pressure
  • Heart failure
  • Kidney diseases
  • Liver diseases
  • Certain cancers and their treatments

Complications

likely complications of acute kidney failure include :

  • Fluid buildup. Acute kidney failure may lead to a buildup of fluid in your lungs, which can cause shortness of breath.
  • Chest pain. If the lining that covers your heart (pericardium) becomes inflamed, you may experience chest pain.
  • Muscle weakness. When your body’s fluids and electrolytes — your body’s blood chemistry — are out of balance, muscle weakness can result.
  • Permanent kidney damage. Occasionally, acute kidney failure causes permanent loss of kidney function, or end-stage renal disease. People with end-stage renal disease require either permanent dialysis — a mechanical filtration process used to remove toxins and wastes from the body — or a kidney transplant to survive.
  • Death. Acute kidney failure can lead to loss of kidney function and, ultimately, death.

Prevention

Acute kidney failure is often unmanageable to predict or prevent. But you may reduce your risk by taking care of your kidneys. Try to :

  • Pay attention to labels when taking over-the-counter (OTC) pain medications. Follow the instructions for OTC pain medications, such as aspirin, acetaminophen (Tylenol, others), ibuprofen (Advil, Motrin IB, others) and naproxen sodium (Aleve, others). Taking too much of these medications may increase your risk of kidney injury. This is especially true if you have pre-existing kidney disease, diabetes or high blood pressure.
  • Work with your doctor to manage kidney and other chronic conditions. If you have kidney disease or another condition that increases your risk of acute kidney failure, such as diabetes or high blood pressure, stay on track with treatment goals and follow your doctor’s recommendations to manage your condition.
  • Make a healthy lifestyle a priority. Be active; eat a sensible, balanced diet; and drink alcohol only in moderation — if at all.

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Category : Health

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