Genitourinary Flashcards
Urinary incontinence - 3 Types (USO)
Urgency - OAB (Over-active bladder)
Stress (increased abdo pressure - coughing, exercising, lifting)
Overflow - dribbling post-micturition
OAB (Over-active bladder) - Pathophysiology
OAB = urgency + frequency +/- nocturia
OAB (Over-active bladder) - Cause
Overactive detrusor muscle
OAB (Over-active bladder) - Investigation
Bladder diary (urodynamics)
OAB (Over-active bladder) - Treatment
Cut out caffeine/alcohol
Stress incontinence - Causes
Coughing
Sneezing
Lifting
Exercising
Stress incontinence - Treatment
Pelvic floor strengthening
Urinary tract infection (UTI) - 2 Types
Upper UTI (Kidneys and above) - Suspect pyelonephritis Lower UTI (Anywhere below kidneys - ureter, bladder, prostate, urethra)
Urinary tract infection (UTI) - Causes
E.coli
Kidney stone
Catheterised in hosp
Chlamydia
Urinary tract infection (UTI) - Risk factors
Female>male Post-menopausal New sexual activity Catheter Kidney stones Immunosupression
Urinary tract infection (UTI) - Symptoms
Frequency
Haematuria (bloody urine)
Smelly urine
Urinary tract infection (UTI) - Investigation
Dipstick (proteins, pH)
Culture - E.coli, enterococcus, s.aureus
Bloods - WBC
Urinary tract infection (UTI) - Treatment
Upper UTI (Pyelonephritis) - Co-amoxiclav (Broad-spec antibiotic) Lower UTI - Trimethoprim, nitrofurantoin
Pyelonephritis - Symptoms
Fever (raised temp)
Back pain towards sides
Pyelonephritis - Investigations
Dipstick
MSU
Bloods - FBC, U&E, CRP, culture
USS
Pyelonephritis - Treatment
Fluids resus
Broad spec IV co-amox
Analgesia
Catheter
STIs - Chlamydia/gonorrhoea - Sign
Discharge
STIs - Syphillis/herpes - Sign
Genital ulcer
STIs - Investigations
Male - First void urine
Female - Vaginal swab
MCS - Microscopy, cuture and sensitivity
STIs - Treatment
Partner notification ASAP
Chlamydia - Doxycycline (antibiotic)
Gonorrhoea - Ceftriaxone (antibiotic)
Syphillis - Penicillin (antibiotic)
GU malignancy - Signs
RCC (Renal cell carcinoma) - Haematuria, flank pain, stones
Bladder cancer - Painless haematuria
Testicular cancer - may or may not involve pain
GU malignancy - Risk factors
Young men - testicular
Old men - bladder/RCC
Aromatic amines (bladder)
Smoking
GU malignancy - Investgations
Urine dip (LUTS - Lower urinary tract symptoms)
US/CT/MRI
Serum tumour markers
Renal colic - Pathophysiology
Nephrollithiasis - Presence of stones (calculi) within urinary system
Renal colic - Risk factors
Dehydration
Diet/obesity
Medication
M>F
Renal colic - 3 Sites stone gets stuck
PUJ (Pelvi-ureteric junction)
Pelvic brim
Vesico-ureteric junction
Stone types (CUCS)
Calcium stone (most common, oxalate rich foods such as spinach, choc, rhubarb, tea) Uric acid stone (Gout) Cystine stone (Genetic) Struvite stone (Infection)
Renal colic - Investigations
Urine dipstick (haematuria)
KUB XR
KUB CT
Renal colic - Treatment
Strong analgesic (Diclofenac) Antibiotics (Cefuroxime/gentamicin) MET (Medical expulsive therapy) - Tamsulosin (Alpha-blocker) PCNL (Percutaneous nephrolithotomy) Adequate hydration Reduce dietary salt, fat, protein and oxalate rich food Calcium stone - Thiazide diuretic Uric acid stone - Allopurinol Cysteine stone - Captopril
Renal colic - Differential diagnoses
Appendicitis
Diverticulitis
Glomerulonephritis - Causes
Inflammation
Infection - Strep
Cancer
Glomerulonephritis - Symptoms
Proteinuria
Haematuria
Glomerulonephritis - Pathophysiology
Damage to filtration mechanism (glomerulus)
Glomerulonephritis - Investigation
Renal biopsy
Glomerulonephritis - Complications
CKD
Renal failure
Nephritic syndrome - Pathophysiology
1) Glomerulus damage
2) Restricted blood flow
3) Compensatory increase in BP
Nephritic syndrome - Cause
IgA nephropathy (inflammation) Glomerulonephritis
Nephritic syndrome - Symptoms
Haematuria
Proteinuria
Hypertension
Nausea
Nephritic syndrome - Investigations
Dipstick - protein and blood
Blood test - FBC, U&E, LFT, CRP, Ig
Urine MCS
Renal biopsy
Nephritic syndrome - Treatment
ACEi
Corticosteroid (anti-infl)
Nephrotic syndrome - 3 Signs
Proteinuria (frothy urine)
Hypoalbuminaemia
Oedema (Ankles, abdomen, face)
Nephrotic syndrome - Causes
Diabetes NSAIDs Autoimmmune Neoplasia Infection Idiopathic
Nephrotic syndrome - Complications
Thromboembolism
Infection
Hyperlipidaemia
Nephrotic syndrome - Treatment
Warfarin ACEi Corticosteroid Loop diuretic Statins Vaccinations (pneumococcal)
2 Differences between nephritic and nephrotic syndromes
Nephrotic has more proteinuria and oedema than nephritic
Non-malignant scrotal disease - Presentation
Epididymal cysts (spermatocele) - Fluid above and behind testes
Hydroceles - Fluid in tunica vaginalis
Varicoceles - Dilated pampiniform plexus (fault valves)
Haematoceles - Blood in tunica vaginalis (trauma)
Epididymo-orchitis - Sudden onset testicular pain (testicular torsion) due to STI
Non-malignant scrotal disease - Investigation
Cannot get above - Hernia Seperate, cystic - Epididymal cyst Separate, solid - Varicocele Testicular, cystic - Hydrocele Testicular, solid - Tumour, haematocele, orchitis
Testicular torsion - Pathophysiology
1) Twisted spermatic cord
2) Cut off blood supply to testes (ischaemia)
Testicular torsion - Symptoms
Sudden onset testicular pain Hot, tender, swollen testicle Unilateral Abdo pain N&V
Testicular torsion - Treatment
Refer to urology ASAP
Scrotal doppler US
Surgery within 6 hours!
A testicular lump is what until proven otherwise?
Cancer
Benign prostatic hyperplasia (BPH) - Pathophysiology
Increased prostate size without malignancy
Inner transitional zone enlarges
Benign prostatic hyperplasia (BPH) - Risk factors
Ageing
Family history
High levels testosterone
Benign prostatic hyperplasia (BPH) - Symptoms (SHED FUND)
LUTS - SHED FUND (Voiding and storage) Stream changes Hesitancy Emptying incomplete Dribbling Frequency Urgency Nocturia Dysuria
Also: Haematuria, loin/pelvic pain, renal stones, UTI, sexual/erectile difficulties
Benign prostatic hyperplasia (BPH) - Differential diagnoses
UTI
Too much alcohol/caffeine
Benign prostatic hyperplasia (BPH) - Investigations
DRE (Digital rectal exam)
PSA (Prostate surface antigen)
Biopsy
Urinalysis
Benign prostatic hyperplasia (BPH) - Treatment
Alpha-blocker - Tamsulosin
Anti-cholinergics (overactive bladder)
TURP (Transurethral resection of prostate)
Acute kidney injury (AKI) - Pathophysiology
Rapid reduction in kidney function
Decline in GFR - Loss of normal water/solute/acid-base homeostasis
Acute kidney injury (AKI) - Signs
Raised creatinine
Reduced urine output
AKI (Acute kidney injury) - Risk factors
Sepsis Age Cardiac failure Drugs Increased fluid loss+decreased fluid intake
AKI (Acute kidney injury) - Causes
Compromised renal perfusion (obstruction of flow)
Volume depletion (Hypovolaemia)- haemorrhage, diarrhoea, dehydration
Hypotension
Atherosclerosis
Ischaemia
Glomerulonephritis
SLE
Vasculitis
Outflow obstruction (renal stone, tumour)
Acute kidney injury (AKI) - Symptoms
Anuria (failure of kidneys to produce urine) Oliguria (reduced urine output) N&V Confusion Peripheral oedema Hypertension
Acute kidney injury (AKI) - Emergency sign
Hyperkalaemia - ECG shows prolonged QRS complex
Acute kidney injury (AKI) - Investigations
Bloods - U&E, Salt, creatinine Renal US (blockages) CT/XR Dipstick urinalysis ECG (QRS - hyperkalaemia) BP Urine output
Acute kidney injury (AKI) - Treatment
Fluid resus Antibiotics (sepsis) Stop nephrotoxic drugs Furosemide (diuretic) Dialysis (last resort)
Chronic kidney disease (CKD) - Pathophysiology
Chronic kidney function/structure abnormalities
Irreversible loss of nephron function (glomerulosclerosis)
Chronic kidney disease (CKD) - Causes
Hypertension Diabetes AKI Pyelonephritis Glomerulonephritis Polycystic kidney disease
Chronic kidney disease (CKD) - Symptoms
Hypertension
Oedema
Cardiomyopathy
Nocturia
Chronic kidney disease (CKD) - Investigations
Renal function - Reduced GFR - Reduced U&E FBC - Normochromic, normocytic anaemia (low Epo), raised urea, raised creatinine Urine dipstick - Haematuria/proteinuria US Renal biopsy
Chronic kidney disease (CKD) - Treatment
ACEi Diuretics Control blood sugar if DM Lifestyle - Smoking, diet, weight, exercise Stop nephrotoxins CVD - Statins, anticoag Dialysis (peritoneal - daily abdo cath/haemo - 3x/w fistula) Transplant
Post-transplant treatment
Cyclosporin (immunosuppression)