Narrative Review: Acute Kidney Injury

# Renal dysfunction Definition
Persistent decrease in eGFR of > 20 ml/min/1.73 m2 from baseline >48 hours that does not respond to simple measures such as decreasing diuresis or volume replacement). 

## Acute Kidney Injury (AKI) definition
AKI is defined as any of the following (Not Graded):
O Increase in SCr by X0.3 mg/dl (26.5 mol/l) within 48 hours; or
O Increase in SCr to 1.5 times baseline, which is known or presumed to have occurred within the prior 7 days; or
O Urine volume <0.5 ml/kg/h for 6 hours.
Stage criteria for AKI based on Serum Creatinine
O Stage 1: 1.51.9 times baseline OR 0.3 mg/dl (26.5 mol/l) increase
O Stage 2: 2.02.9 times baseline
O Stage 3: 3.0 times baseline OR Increase in serum creatinine to 4.0 mg/dl (353.6 mol/l) OR Initiation of renal replacement therapy
Laboratory:

# Event(s)
Event (1):
- Site Reported Event Onset Date: MM/DD/YYYY
- Event summary:
Symptoms and sign:
Subject presented with  on MM/DD/YYYY.
Important characteristics of the chief complaint such as severity, site, and duration.
Other important symptoms related to the chief complaint.
Past Medical History: 
Past Surgical History: 
Medications: 
Physical assessment:
Vital signs
Positive physical examinations or related negative examinations.
- Symptoms and sign:
Subject presented with  on MM/DD/YYYY.
Important characteristics of the chief complaint such as severity, site, and duration.
Other important symptoms related to the chief complaint.
- Subject presented with  on MM/DD/YYYY.
- Important characteristics of the chief complaint such as severity, site, and duration.
- Other important symptoms related to the chief complaint.
- Past Medical History: 
- Past Surgical History: 
- Medications: 
- Physical assessment:
Vital signs
Positive physical examinations or related negative examinations.
- Vital signs
- Positive physical examinations or related negative examinations.
Event (2):
- Site Reported Event Onset Date: MM/DD/YYYY
- Event summary:
Symptoms and sign:
Subject presented with  on MM/DD/YYYY.
Important characteristics of the chief complaint such as severity, site, and duration.
Other important symptoms related to the chief complaint.
Past Medical History: 
Past Surgical History: 
Medications: 
Physical assessment:
Vital signs
Positive physical examinations or related negative examinations.
- Symptoms and sign:
Subject presented with  on MM/DD/YYYY.
Important characteristics of the chief complaint such as severity, site, and duration.
Other important symptoms related to the chief complaint.
- Subject presented with  on MM/DD/YYYY.
- Important characteristics of the chief complaint such as severity, site, and duration.
- Other important symptoms related to the chief complaint.
- Past Medical History: 
- Past Surgical History: 
- Medications: 
- Physical assessment:
Vital signs
Positive physical examinations or related negative examinations.
- Vital signs
- Positive physical examinations or related negative examinations.

# Procedure
- Index Procedure Date/Time:
mm/dd/YYYY at xx:xx  
- mm/dd/YYYY at xx:xx  
- Index Procedure Detail:
On mm/dd/YYYY at xx:xx  the subject underwent a  for .
Access site details
The site reported that there were/were not procedural complication(s).
- On mm/dd/YYYY at xx:xx  the subject underwent a  for .
- Access site details
- The site reported that there were/were not procedural complication(s).

# Other Laboratory data and Imaging
- Other laboratory:
Date/ name/ value
- Date/ name/ value
- ECG / date:
- ECHO / date:
- CXR / date:
- Other imaging and diagnostic tests / date:

# Consults
- Date and time of consult
- Suggested treatments

# Clinical course
- Date and time of events:
- Dialysis / time
- Patient condition got worse or better.

# Treatment and outcome
- List of relevant medical treatments
- Outcome