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Flashcards in Nephrology Deck (9)
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1
Q

Causes of acute renal failure - pre-renal

A
  1. Pre-renal

SHOCK

Septic
Haemorrhagic 
Cardiogenic
hypOvolaemic
anaphylaxis; blood transfusion reaction

Renovascular - STENTABLE

Stenosis
Thrombosis
Embolism
NSAIDS
Toxins
Autoimmune eg sceroderma, Vasculitis 
Blood pressure - malignant hypertension
Liver failure
Electrolyte - Hypercalcaemia 
Eclampsia, pre-
2
Q

Causes of acute renal failure - Renal

A
  1. Glomerulonephritis - PAINT

Primary eg proliferative, membranoproliferative
Autoimmune eg SLE, Vasculitis, anti-GBM, IgA nephropathy
Infective eg post streptococcal, HIV, HBV, HCV, malaria
Neoplasia - myeloma, lymphoma
Toxins - penicillamine, heroin

  1. Tubulo-interstitial nephritis - TIN
    Toxins- allergic, antibiotics, ACEi, NSAIDS
    Infection - legionnaires, CMV
    Neoplasia - lymphoma, leukaemia
  2. Acute tubular necrosis - ATN
    ABP low
    Toxins - aminoglycosides, cephalosporins, NSAIDS, contrast
    Neoplasia - tumour lysis, myeloma
    Necrosis - rhabdomyolysis, intravascular haemolysis
    Nephritis-pyelo
3
Q

Causes acute renal failure - post renal

A

Ureteric obstruction or urinary retention

SNIPPING

Stone
Neoplasia
Infection
Papillary necrosis, pregnancy, prostate
Inflammation - stricture or fibrosis
Neurological - toxins, cord or psychological
Genetic/ congenital - stenosis, valves
4
Q

Chronic renal failure causes

A

Renovascular (STENTABLE)

Renal - glomerulonephritis (PAINTS) or tubulo-interstitial (TUBULAR-PH)

Structural - developmental agenesis, polycystic kidneys, neoplasia

5
Q

Chronic renal failure - PC and O/E

A

SCARRING TUBES

Skin - uraemia (pruritis, brown nails), underlying cause (Vasculitis, scleroderma), complications (anaemia, tophi- gout)

Cardiac - fluid overload, oedema, pericarditis, IHD

ABP - high

Respiratory - pulmonary oedema, effusion, fibrosis

Respiratory pattern - hiccups, kussmauls breathing

Immuno-compromise - pneumonia

Neurological - encephalopathy, peripheral neuropathy

GIT - gastric ulcers, bleeding

Thrombocytopenia - purpura, git haemorrhage,

Urine - frequency, nocturia, loin pain

Bones - osteomalacia and porosis

Endocrine - amenorrhoea, impotence, growth retardation

Systemic - anaemia, anorexia

6
Q

Chronic renal failure - complications

A

CRF HEALS

CVD
Renal osteodystrophy
Fluid 
HTN
Electrolyte disturbance
Anaemia
Leg restlessness
Sensory neuropathy
7
Q

Causes of renal enlargement

A

PHONE

Polycystic kidneys
Hypertrophy secondary to renal agenesis
Obstruction
Occlusion
Neoplasia - RCC, myeloma, lymphoma, amyloid
Endocrine - DM
8
Q

APKD - presenting complaint

A

MISHAPEN (autosomal dominant)

Mass effect - abdo mass or flank pain
Infection
Stones
Haematuria
ABP - hypertension
Polyruria, nocturia
Extra renal cysts - liver, pancreas, lungs, ovaries
Extra - inguinak herniae, colonic diverticula
Neuro - cerebral berry aneuryms, subarachnoid haemorrhage, aortic aneurysm, mitral valve prolapse

9
Q

Urothelial cell carcinoma risk factors

A

Age
Alcohol
Carcinogens: P-SAC

Phenacetin
Smoking (#1)
Analine - rubbers and dyes
Cyclophosphamide