Acute Kidney Injury (AKI) Causes
reversible.
🔸 Causes of AKI:
🔴Pre-renal: Damage occurs BEFORE the kidneys, due to decreased blood flow caused by:
* Hypotension (e.g., shock, dehydration)
* Decreased cardiac output (e.g., MI, heart failure)
* Obstruction (e.g., tumor, emboli)
🟡Intra-renal: Damage occurs WITHIN the kidneys, resulting in decreased functioning due to:
* Infection (e.g., glomerulonephritis)
* Nephrotoxins (e.g., dye, chemo)
* Injury (e.g., falls leading to rhabdo)
🟣Post-renal: Damage occurs AFTER the kidneys, caused by obstruction such as:
* Renal calculi
* BPH
* Tumors
⭐️ POP QUIZ: What’s the main lab marker we monitor in AKI?
Comment your answer below 👇
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Hey everyone! As a nurse, I often come across questions about kidney health, and Acute Kidney Injury (AKI) is a topic that comes up frequently. You might know it as AKI for short, which stands for Acute Kidney Injury – essentially a sudden, significant decline in your kidney's ability to filter waste from your blood. In my previous post, I touched on the main categories of AKI causes: pre-renal, intra-renal, and post-renal. But what does that really mean for you, and how would you even know if something like this was happening? Understanding the 'why' behind AKI is crucial for prevention and early intervention. While my last post gave you a quick rundown of 'PRERENAL' factors like 'DehyDRAtioN' or 'Hypotension' affecting 'Blood flow to kiDNeys', 'iNTRARENAL' issues like 'NepHRotoxins' or 'Glomerulonephritis' directly damaging the 'INSIDe KiDNeys', and 'PostReNAL' obstructions such as 'KiDNey stones' or 'BPH' 'After KiDNeys', let's dive a bit deeper. One of the most important things to recognize are the 'symptoms of acute kidney injury'. Unlike chronic kidney disease which can be silent for a long time, AKI often presents with noticeable signs. You might experience decreased urine output, swelling in your legs, ankles, or feet due to fluid retention, fatigue, nausea, shortness of breath, or even confusion. These symptoms, especially a sudden change, should never be ignored. When we talk about diagnosing AKI, we look at several markers. The 'POP QUIZ' from my last post asked about the main lab marker – and if you guessed creatinine, you're spot on! Creatinine levels, along with BUN (Blood Urea Nitrogen) and GFR (Glomerular Filtration Rate), help us assess kidney function. There are also 'stages of AKI' that healthcare providers use to classify the severity, usually based on changes in creatinine and urine output. These stages help guide treatment and prognosis. Speaking of 'aki treatment', it's highly dependent on the underlying cause. If it's pre-renal, addressing dehydration or improving cardiac output is key. For intra-renal issues, it might involve stopping nephrotoxic medications or treating infections. Post-renal AKI often requires removing the obstruction, whether it's a 'KiDNey stone' or managing 'BPH'. The goal is always to restore normal kidney function and prevent further 'damage kidney' or permanent 'renal injuries'. Early detection and appropriate treatment are vital because AKI, though often 'reversible', can sometimes lead to chronic kidney disease or even kidney failure if not managed promptly. Staying hydrated, managing chronic conditions like high blood pressure (such as a concern with a '150/88 blood pressure' reading) and diabetes, and being cautious with certain medications are all steps we can take to protect our precious kidneys. Remember, your kidneys are vital filters, and giving them the attention they deserve is a huge part of overall health!











































































































































