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I.vc
1. Assessment of volume status via
IVC diameter
By
Dr. Salwa Mahmoud Elwasif, MD
Fellow of Internal Medicine and Nephrology
Urology and Nephrology Center
Mansoura University
2. Agenda
• Case scenario
• Value of using IVC diameter?
• Anatomical background
• technique.
• Interpretation.
• pitfalls.
• Literature.
• Take home massage.
3. Case scenario
• A 71 year-old gentleman
• ESKD on CHD secondary to diabetic nephropathy
• Grade ǁ edema lower limb.
• Hypotension and muscle cramps in the 4th hour of
hemodialysis session necessitate premature
stoppage.
5. indication
• Assessment of intravascular volume state.
• Undifferentiated hypotension or other
scenarios of abnormal volume status , such as
sepsis , dehydration and heart failure.
• Fast , reliable , reproducible and non invasive
method for detection of volume status.
9. Technique
• We use low frequency probe or abdominal
probe.
• The transducer position is just below the
xiphisternum 1-2 cms to the right of midline
with the marker dot pointing towards the
sternum notch.
10.
11.
12. • M-mode line is placed through the IVC
2-3cms from the junction between IVC and
right atrium or 0.5-1 cm from the junction
of hepatic vien.
38. Case scenario
• A 71 year-old gentleman
• ESKD on CHD secondary to diabetic nephropathy
• Grade ǁ edema lower limb.
• Hypotension and muscle cramps in the 4th hour of
hemodialysis session necessitate premature
stoppage.
Lower limb
varicose veins
39.
40. Take home message
• Not all edema and chest crackles are signs of
overload
• Not all muscle cramp is a sign of dehydration
• Justify your diagnosis with available resources