Kidney Care Services

Acute Kidney Injury (AKI)

Urgent kidney follow-up and treatment focused on finding the cause of AKI, supporting recovery, and preventing long-term damage.

Understanding your care

What is acute kidney injury?

Acute kidney injury, or AKI, is a sudden loss of kidney function that happens over hours or days rather than years. It can cause creatinine to rise quickly, urine output to drop, and waste products or fluid to build up in the body.

AKI often happens during a major illness or medical event. Common causes include severe infection or sepsis, medication reactions, dehydration, surgery complications, low blood pressure, and contrast dye used during imaging or procedures. Sometimes more than one cause is involved at the same time.

Many patients first experience AKI in the hospital and then need follow-up after discharge. Even when kidney function improves, the kidneys may remain vulnerable, and some patients go on to develop chronic kidney disease later if they are not monitored carefully.

Most AKI patients recover kidney function, but follow-up care is essential to prevent long-term damage. Our outpatient nephrology follow-up helps patients understand what happened, how recovery is progressing, and how to lower the risk of it happening again.

How we help

A treatment plan built around your life

Our approach is to understand exactly why the injury happened, support recovery in the short term, and make sure you are not left with avoidable long-term kidney problems.

  • Identify the cause quickly

    We review hospital records, medications, infections, blood pressure events, imaging, and labs to understand what triggered the kidney injury.

  • Support kidney recovery

    Recovery may involve medication changes, careful fluid guidance, blood pressure management, electrolyte treatment, and close follow-up of kidney function and urine findings.

  • Guide the hospital-to-home transition

    We help patients make sense of what happened in the hospital and what they should be watching for after discharge.

  • Prevent recurrence

    We identify risky medications, dehydration triggers, and other factors so future kidney injury is less likely.

  • Monitor for CKD development

    Even after apparent recovery, some patients need longer-term monitoring because AKI can increase the risk of chronic kidney disease later on.

  • Escalate care when needed

    If recovery stalls or complications develop, we move quickly to additional testing, treatment changes, or dialysis planning when necessary.

What to expect

A clear path from referral to ongoing care

We keep the process simple, explain what comes next, and stay connected with your primary care doctor and other specialists.
Step 1

Referral after AKI or hospital discharge

We review discharge notes, medication changes, lab trends, and the likely cause of the kidney injury before you come in.

Step 2

First follow-up visit

At the first visit, we explain what caused the AKI, how much recovery has happened so far, and whether there are warning signs we still need to watch.

Step 3

Recovery plan

You receive a plan for repeat labs, medication safety, hydration guidance, blood pressure goals, and when to seek help urgently.

Step 4

Ongoing monitoring

We continue following kidney function until recovery is stable and make sure early CKD or other long-term effects are not missed.

Symptoms and warning signs

AKI can appear suddenly or show up first on labs

Some people feel very sick with AKI. Others feel mostly normal and learn about it because a blood test changed after illness, surgery, or a new medication. Either way, a sudden kidney change deserves timely follow-up.

  • Urinating much less than usual or noticing dark, foamy, or bloody urine
  • Swelling, sudden weight gain, shortness of breath, confusion, or severe fatigue
  • Nausea, poor appetite, chest discomfort, or muscle weakness when waste or potassium builds up
  • Sometimes no clear symptoms, with AKI found only because creatinine rises on lab work

Causes and risk factors

AKI often has more than one cause

The kidneys need steady blood flow, safe pressure, and open urine drainage. During illness, those supports can change quickly. We look for every factor that may have lined up so recovery is safer.

  • Dehydration, vomiting, diarrhea, blood loss, low blood pressure, or severe infection
  • Hospitalization, surgery, contrast dye exposure, heart failure, liver disease, or sepsis
  • Medicines that can affect kidney blood flow or filtering, especially during illness
  • Existing CKD, diabetes, older age, urinary blockage, kidney stones, or prostate problems

How TKE diagnoses AKI

We reconstruct what changed and what is improving

Creatinine, eGFR, and trend review

Creatinine is a waste marker in the blood. A fast rise can signal AKI. eGFR may drop during AKI, but the direction and speed of change matter most.

Urine testing and electrolytes

Urine results can show blood, protein, infection, casts, or concentration patterns. Potassium, bicarbonate, and sodium help us judge safety and urgency.

Medication and imaging review

We look for medicines, contrast exposure, low blood pressure events, blockage, stones, or bladder problems. Ultrasound may help if obstruction is a concern.

Prevention and living well

After AKI, the goal is recovery and prevention

AKI follow-up helps you understand what happened, what has recovered, and what should be done differently during future illness. Our CKD care, kidney health check, FAQ, and locations can help you stay connected after discharge.

  • Schedule follow-up labs after hospitalization or a major illness when your clinician recommends them.
  • Ask which medicines to pause or review during dehydration, vomiting, diarrhea, or poor intake.
  • Avoid starting over-the-counter pain relievers or supplements after AKI without asking your healthcare team.
  • Watch for swelling, low urine output, shortness of breath, or worsening weakness and seek help early.

This page is for education only and is not medical advice. AKI can be urgent, and your healthcare provider should guide testing, medications, and follow-up timing.

AKI FAQs

Questions after a sudden kidney injury

Is acute kidney injury the same as chronic kidney disease?

No. AKI happens suddenly over hours or days. CKD develops over months or years. AKI can improve, but it can also raise the risk of CKD later, so follow-up matters.

Can kidneys recover after AKI?

Many people recover some or all kidney function after AKI, especially when the cause is found and corrected. Recovery can take days, weeks, or longer depending on the injury and overall health.

Why do I need follow-up if my labs improved in the hospital?

Improvement is good news, but the kidneys may still be vulnerable. Follow-up checks make sure recovery is stable, medicines are safe, and chronic kidney disease is not developing.

What treatments are used for AKI?

Treatment depends on the cause. It may include fluids or fluid restriction, medication changes, blood pressure support, treating infection or blockage, electrolyte management, and dialysis in severe cases.

When should AKI symptoms be urgent?

Seek urgent care for very low urine output, trouble breathing, chest pain, confusion, severe weakness, fainting, fever with illness, or rapidly worsening swelling.

Big Expertise. Small-Town Heart.

Need kidney follow-up after a hospital stay?

Call (731) 300-6155, reach us through contact, or ask your care team to send a referral. Fax referrals to 731-300-6955.

Take the next step

Talk with a kidney specialist about your next step

Whether you were recently referred or you are looking for answers after a hospital stay, we will help you understand what is happening and build a plan that feels manageable.

Schedule an appointment Call (731) 300-6155