Renal Flashcards
What is the only protein found in the urine
Tam horsfall
- Secreted by thick loop
Nervous control of urine storage
Sympathetic - Hypogastric nerve
Nervous control of voiding urine
Parasympathetic - Pelvic nerve
Nervous control of voluntary urine passage
Pudendal nerve
Criteria for AKI diagnosis
Rise in creatnine >26mincrmol/L in 48hrs
Rise in creatnine > 1.5x baseline in 7 days
Decreased urine output <0.5ml/kg/h for 6hrs
AKI risk factors
Age > 65 pre existing CKD DM HF Dehydration
AKI
- Pre renal causes?
ARB/ACEi NSAIDs Anaphalaxis Sepsis CCF Trauma
AKI
- Renal causes?
Glomerulonephritis - SLE / Infection
Vasculitis - SLE
HTN
Acute tubular necrosis
AKI
- Post renal
Stone
stricture
BPH
Pelvic malignancy
Causes of acute tubular necorsis
Gentamicin NSAIDs ACEi Pancreatitis MI Diuretics
AKI signs and sx
sx
- oliguria
- vomitting
- nausea
- weakness
signs
- tachycardia
- breathlesness
- arrhythmias
- hypocalcaemia
- dehydration
AKI investigations
- Bloods
- Urinalysis
- Rectal US - post renal obstruction
AKI tx
Pre - fluids
renal - stop nephrotoxic drug
post - catheter
AKI complications
- Hyperkalaemia
- Acute pulmonary oedema
- Metabollic acidosis
Hyperkalaemia ECG findings
Tall tented t waves
no p waves
Wide QRS complex
What is BPH
Non cancerous growth of prostate gland
Transitional zone enlargement
BPH presentation
SHED
FUND
Haematuria
Overflow incontinence
How to spot metabollic acidosis
Kussmauls breathing
BPH investigations
PSA Urinalysis - dipstick - MSU DRE Rectal Ultrasound + biopsy
BPH management - lifestyle
Avoid caffine / alcohol
relax when voiding
bladder training
BPH medications
1st - Tamsulosin
2nd - Finasteride
3rd - surgery
Tamsulosin S/E
Postural hypotension
Dizziness
Dry mouth
Ejacualtory failure
Finasteride S/E
Impotence
decreased libido
Transurethral resection of prostate complications
bleeding
infection
erectiel dysfunction
urethral strictures
CKD causes
- primary
- secondary
Primary
- Minimal change disease
- UTI
- Pyelonephritis
- stones
Secondary
- HTN
- DM
- Amyloidosis
- HF
- Sarcoidosis
CKD classification stages
1 - > 90 2 - 60- 89 3a - 59 - 45 3b - 44 - 30 4 - 29 - 15 5 - <15
CKD Presentation
Protein loss and Na+ retention
- Polyuria
- nocturia
- oliguria
- S.O.B
- peripheral oedema
Uraemia
- Pruritus
- weightloss
- paraesthsia
- confusion
CKD Signs
Anaemia
Hypertension
Bone disease - osteomalacia
Pruritus
CKD tx
Treat complications
- EPO
- Vit D
- Loop diuretics for oedema
BP control - ACEi
Glycaemic control
Renal replacemnt therapy
Reduce CVS risk - statins
CKD complications
Anaemia Bone disease - osteoperosis Peripheral neuropathy MI/Stroke Pericarditis - uraemia Pericardial effusion - uraemia
CKD investigations
- Bloods
- Urinalysis
A:C > 3mg/mmol
Dipstick - Haematuria - US
Small kidneys
CKD Management
Conservative
- excercise/ diet / weight control
- stop smoking
Medical
- Optomise DM and HTN control
- dialysis
Surgical
- transplant
Why does metabollic acidosis occur in CKD and tx
Decreased H+ secretion and HCO3- reabsorption
Tx - sodium bicarbonate
Main cause of Cystitis infection
E coli
Cystitis presentation
cloudy urine haematuria suprapubic pain urgency dysuria frequency abdo tenderness
Cystitis investigations
Urine dipstick
MSU sample
- MC&S
Cystitiis tx
1st - Trimethorpim
2nd - Co-amoxiclav
Prostatitis presentation
fever malaise voiding luts - SHED pelvic pain perianal oain pain on ejacualtion
prostatitis investigations
Dipstick
- lecoytes + nitrites positive
DRE - tender and hot
MSU - MC&S
STI screen
Prostatitis tx
1st - Gentamicin + co-amoxiclav
2nd - Trimethoprim
Nephritic syndrome features
Oedema HTN Proteinuria Haematuria - red cell casts Oliguria
Nephritic syndrome causes
ANCA positive vasculitis SLE Post strep glomerulonephritis IgA nephropathy Anti-GBM disease (Good pasture's disease)
Nephritic syndrome presentation
Haematuria Sterile pyuria HTN Oedema Oliguria Uraemia - pruritus - lethargy
Nephritic syndrome Ix
Dipstick - protein/hamaturia
Urine - MC&S
- RBC casts
- Bence jones proteins
Bloods
Renal biopsy
Nephritic syndrome tx
Tx underlying cause
Reduce proteinuria
- ACEi/ARB
Common features of diseases causing glomerulonephritis
Haematuria Proteinuria Diagnosed on renal biopsy Can cause CKD Deteriorating kidney function
Minimal change disease
- common in
- observation on electron microscopy
- tx
Common in children
loss of large amounts of protein lost due to podocyte damage - fused podocytes
Tx - Prednisolone
IgA nephropathy
- Pathophysiology
- presentation
- tx
IgA deposition in mesangium
HTN
High creatnine
haematuria
proteinuria
BP control - ACEi
Nephrotic syndrome causes
- primary
Primary
- Focal glomerular sclerosis
- Minimal change disease
- Membranous nephropathy]
Nephrotic syndrome triad
Proteinuria - frothy urine Hypoalbuminaemia Oedema - - peripheral - periorbital - ascites
Hyperlipidaemia
Nephrotic syndrome causes - secodnary
DDANI D - DM D - Drugs (NSAIDs) A - AI - SLE N - Neoplasia - Myeloma I - Infection - Hep B/C
Nephrotic syndrome investigations
Bloods
- U+E
- Creatnine - elevated
- Increased clotting factors
- Hyperlipidaemia
- Hypoalbuminaemia
Urinalysis
- Proteinuria
- A:C ratio RAISED
Nephrotic syndrome differential dx
CCF
- oedema
- raised JVP
Cirrhosis
- hypoalbuminaemia
- Oedema
Nephrotic syndrome management
- High dose oral steroids
- Tx underlying cause
- Rampiril
Reduce proteinuria
Nephrotic syndrome symptomatic tx
Oedema
- furosemide
- fluid and salt restriction
Prophylactic LMWH
Simvastatin
Pneumococcal vaccinations
Nephrotic syndrome complications
Thromboembolism
Infection
- decreased IgG
- decreased compliment activity
Hyperlipidaemia
Why is someone with nephritic syndrome at risk of sepsis
Immunoglobulins lost in urine
What is prostate cancer
Peripheral zone prostate neoplasia - Adenocarcinoma
Risk factors for prostate cancer
Increasing age Black - increased testosterone Family hx Genetics - HOXB13 gene - BRCA2 gene
Location of metastatic spread of prostate cancer
Bone - sclerotic bone lesions
Lymph nodes
- para aortic
- inguinal
Prostate cancer presentation
SHED
FUND
Visiable haematuria
weight loss
Anaemia
Urinary retention - obstruction