Renal and urology Flashcards
Dialysis indications (6)
Uraemia
Resistant hyperkalaemia
Pulmonary oedema with oliguria (resistant)
Drug toxicity e.g. lithium
Resistant metabolic acidosis
End-stage renal failure eGFR<15
Order of renal replacement therapy
1) Peritoneal dialysis
2) Haemodialysis (1st if IBD)
3) Transplant
When is automated peritoneal dialysis used?
At night
How long does an AV fistula take to form and what can be used in the meantime?
4-6 weeks
Tesio line (central line to internal jugular)
Treatment for hyperacute rejection (<24 hours) ABO/HLA?
Remove transplant
Treatment for chronic rejection (>6 months) unknown aetiology?
Dialysis
Urine sodium in pre-renal and renal AKI?
Pre-renal <20
Renal >40
Which drugs should be stopped in AKI?
DAMN
Diuretics, digoxin
ACEi, ARBs
Metformin
NSAIDs
Lithium
AKI investigations
Urinalysis
Renal USS within 24 hours if no identifiable cause
CKD stages
1) >90 (+other signs)
2) 60+ (+other signs)
3) 30+
4) 15+
5) <15
CKD management
Fluid restriction (and reduce phosphate, sodium, potassium)
Phosphate binders
Vitamin D
Parathyroidectomy
When to offer ACEi in CKD according to ACR?
> 3 + diabetes
30 + HTN
70
Most common gene affected in ADPKD?
PKD1, Chromosome 16
ADPKD management
Tolvaptan (vasopressin V2-receptor antagonist)
IgA nephropathy management
Most resolve in 4 weeks
Arthralgia - NSAIDs
Scrotal involvement/oedema/abdo pain - PO prednisolone
Renal involvement - IV corticosteroids
Which nephro cancer causes loin pain?
Renal cell
Management for renal and clear cell cancer
Nephrectomy
Management for bladder/transitional cell cancer in and ex-situ
In-situ: TURBT
Ex-situ: radical cystectomy
Why does nephrotic syndrome predispose to thrombosis?
Loss of anti-thrombin III, protein C, and protein S
Rise in fibrinogen
What ABG change are all types of renal tubular acidosis associated with?
Hyperchloraemic metabolic acidosis
Which renal tubular acidosis types cause hypokalaemia?
1 and 2
Which renal tubular acidosis types cause hyperkalaemia?
4
Which renal tubular acidosis is distal and caused by an inability to secrete H+?
1
Why do germ-cell tumours cause gynaecomastia?
hCG release
Increase in oestrodiol more than testosterone