Renal lacerationMANAGEMENT

GENITOURINARY AND REPRODUCTIVE PRESENTATIONS · 12 SECTIONS

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373 items

☷ Legend

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Cardiovascular Presentations71▾

Respiratory Presentations52▾

Neurological Presentations83▾

Gastrointestinal Presentations74▾

Genitourinary and Reproductive Presentations48▾

Acute Kidney Injury (ATN)Acute Kidney Injury (Post-renal)Acute Kidney Injury (Pre-renal)Amniotic Fluid Embolism Balanitis Bladder Rupture Breast Abscess Cystitis Dialysis access complications Ectopic pregnancy Epididymitis Glomerulonephritis Hematuria (gross)Hydrocele Interstitial Cystitis Mastitis Mittelschmerz Nephrolithiasis Nephrotic Syndrome Flare Nutcracker Syndrome Orchitis Ovarian Cyst Rupture Ovarian hyperstimulation syndrome Ovarian torsion Paraphimosis Pelvic Congestion Syndrome Pelvic Inflammatory Disease (PID)Peritoneal dialysis peritonitis Phimosis Priapism Prostatitis Pyelonephritis Renal laceration Renal transplant complications and rejection Ruptured ovarian cyst Testicular torsion Torsion of Appendix Testis Tubo-ovarian abscess Ureteral Rupture Urethritis Urinary Retention Urinary tract infection (uncomplicated)Urolithiasis (renal colic)Vaginal bleeding (non-pregnant)Vaginitis (Bacterial)Vaginitis (Candidal)Varicocele Vulvovaginal Hematoma

Infectious Disease Presentations148▾

Trauma Presentations89▾

Toxicologic Presentations80▾

Psychiatric Presentations26▾

Musculoskeletal and Rheumatologic Presentations96▾

Dermatology Presentations23▾

Environmental and Exposure Presentations27▾

Hematologic and Oncologic Presentations36▾

Pediatric-Specific Presentations19▾

Endocrine and Metabolic Presentations45▾

ENT and Maxillofacial Presentations27▾

Ophthalmologic Presentations19▾

Obstetric Presentations23▾

Systemic and Miscellaneous Presentations17▾

01Approach to the Critical Patient/attcp31

Initial priorities

›Hemorrhage and renal injury triage

›Hemodynamic status

›Persistent hypotension despite balanced resuscitation

›Transfusion requirement trend

›Shock triggers for immediate escalation

›If refractory hypotension, damage control pathway

›If suspected ongoing hemorrhage, activate trauma surgery and massive transfusion protocol (Class I framework, strong consensus)

›Renal injury suspicion cues

›Gross hematuria after trauma

›Flank pain or flank ecchymosis

›High-energy deceleration mechanism

Monitoring and access

›Resuscitation monitoring

›Continuous ECG

›Dysrhythmia with hemorrhagic shock

›Electrolyte disturbance signal

›Blood pressure trend

›MAP target based on traumatic hemorrhage priorities

›If ongoing bleeding, permissive hypotension per trauma protocol unless TBI

›Urine output

›Foley output trend if no urethral injury concern

›Oliguria as shock marker vs urinary tract obstruction

Early consult and pathway decisions

›Specialty activation

›Trauma surgery

›Any suspected high-grade solid organ injury

›Any hemodynamic instability

02History/hx30

Mechanism and time course

›Injury context

›Mechanism

›Blunt trauma

›Penetrating trauma

›Energy and deceleration indicators

›MVC with rapid deceleration

›Fall from height

›Time since injury

›Immediate vs delayed hematuria

›Interval worsening flank pain

Symptoms and risk clues

›Renal and urinary symptoms

›Hematuria pattern

›Gross hematuria

›Microscopic hematuria

›Flank and abdominal symptoms

›Flank pain

›Abdominal pain

›Urinary function

›Anuria

›Difficulty voiding

Comorbidities and meds

›Patient factors

›Single kidney

›Solitary functioning kidney

›Renal transplant

›Baseline kidney disease

03Physical Exam/exam27

General and hemodynamics

›Perfusion and shock signs

›Vital sign pattern

›Tachycardia

›Hypotension

›Peripheral perfusion

›Cool extremities

›Delayed capillary refill

›Mental status

›Agitation

›Decreased level of consciousness

Abdominal and flank exam

›Renal injury exam targets

›Flank findings

›Flank tenderness

›Flank ecchymosis

›Abdominal findings

›Diffuse tenderness

›Peritonitis

›External injury pattern

›Lower rib fractures

›Seatbelt sign

GU and associated injuries

›Urogenital red flags

›Urethral injury concern

›Blood at meatus

›Perineal hematoma

›Pelvic trauma markers

04Differential Diagnosis/ddx26

Traumatic causes of hematuria and shock

›Traumatic urinary tract injury differential

›Renal contusion (S37.0)

›Microscopic hematuria common

›Often low-grade injury

›Renal laceration (S37.0)

›Gross hematuria possible

›Perirenal hematoma possible

›Renal vascular injury (S35.4)

›Renal artery thrombosis or avulsion

›Sudden anuria possible

›Ureteral injury (S37.1)

›Delayed flank pain and fever

›Urinary extravasation on delayed imaging

Mimics and concurrent injuries

›Non-renal sources of bleeding and pain

›Splenic injury (S36.0)

›LUQ pain

›Free fluid on FAST

›Liver injury (S36.1)

›RUQ pain

›Elevated transaminases

›Retroperitoneal hemorrhage

›Pelvic fracture bleeding

›Major vessel injury

›Rhabdomyolysis

›Myoglobinuria

›CK elevation

05Laboratory Tests/lt27

Baseline hemorrhage and renal function labs

›Core trauma labs

›Complete blood count for bleeding concern

›Hemoglobin trend

›Platelet count

›Electrolytes and creatinine for renal function

›Creatinine baseline

›Potassium trend

›Coagulation profile for bleeding risk and reversal planning

›INR

›aPTT

Urine testing

›Urinalysis interpretation

›Hematuria quantification

›RBC per HPF

›Gross hematuria documentation

›Infection indicators

›Leukocyte esterase

›Nitrites

›Rhabdomyolysis clues

›Heme positive with few RBC

›Pigmented urine concern

Adjunct labs for trauma physiology

›Resuscitation physiology labs

›Venous or arterial blood gas when shock concern

›Lactate trend in mmol/L

›pH and base deficit

›Type and screen or crossmatch for transfusion planning

06Diagnostic Tests/dt50

Scoring Systems

›Injury classification and risk stratification

›AAST renal injury scale

›Grade I

›Contusion or subcapsular hematoma without laceration

›Microscopic hematuria common

›Grade II

›Cortical laceration <1 cm depth without urinary extravasation

›Perirenal hematoma confined to retroperitoneum

›Grade III

›Cortical laceration >1 cm depth without urinary extravasation

›Larger hematoma possible

›Grade IV

›Laceration into collecting system with urinary extravasation

›Segmental renal vessel injury with contained hemorrhage

›Grade V

›Shattered kidney

›Renal pedicle avulsion or devascularization

›WSES kidney trauma classification concept

›Hemodynamic status integrated with anatomic grade

›Management pathways aligned to stability and CT findings

MRI

›MRI role and limits

›Selected indications

›Iodinated contrast contraindication with stable patient

›Pregnancy when CT avoidance preferred and stable

›Limitations

›Slower acquisition and limited trauma workflow fit

07Disposition/dispo24

Level of care and admission criteria

›Disposition pathway by stability and injury grade

›ICU level care

›Hemodynamic instability or vasopressor need

›High-grade injury with ongoing transfusion requirement

›Step-down or monitored bed

›Grade III to V with stable vitals

›Significant comorbidities or anticoagulation

›Ward admission

›Low-grade injury with stable hemoglobin trend

›Pain controlled and stable vitals

Transfer and follow-up planning

›Transfer triggers

›No on-site trauma surgery, urology, or IR

›Suspected Grade IV to V injury

›Active bleeding on CT requiring embolization

›Complex anatomy or solitary kidney

›Any high-grade injury in solitary kidney

›Renal transplant injury

›In-hospital reassessment

›Hemoglobin monitoring schedule by protocol

›Trend-based transfusion decisions

›Escalation if downward trend with symptoms

›Repeat imaging indications

›Fever, flank pain, ileus

›Recurrent or worsening hematuria

08Treatment/t65

Resuscitation and hemorrhage control

›Hemorrhage and shock management

›Balanced transfusion strategy when indicated

›Packed red blood cells

›Target based on perfusion and bleeding, not a single number

›Ongoing reassessment with lactate in mmol/L

›Plasma and platelets

›Massive transfusion protocol ratios per local protocol

›Coagulopathy correction guided by labs or viscoelastic testing if available

›Tranexamic acid in major trauma bleeding

›1 g IV over 10 minutes

›If within 3 hours of injury, benefit favored in trauma protocols

›Avoid if clear contraindication per local protocol

›1 g IV over 8 hours

›Ongoing hemorrhage concern

›Monitor for thrombosis risk context

Nonoperative management

›Observation-first strategy in stable renal trauma

›Bed rest and activity restriction in hospital

›Hematuria resolution trend

›Pain control and mobilization plan

›Serial exams and labs

›Hemoglobin trend

›Vital signs trend

›VTE prophylaxis timing coordination

›Mechanical prophylaxis early

›Pharmacologic prophylaxis when bleeding stability confirmed (Class I framework, strong consensus)

09Special Populations/sp30

Pregnancy

›Pregnancy-specific considerations

›Maternal stabilization priority

›Resuscitation targets aligned to maternal perfusion

›Left lateral tilt when feasible

›Imaging considerations

›CT use when maternal benefit outweighs risk

›MRI consideration when stable and appropriate

›Rh status and bleeding context

›Rh immune globulin planning if indicated

›Obstetrics consultation for fetal monitoring plan

Geriatric

›Older adult considerations

›Higher bleeding risk

›Anticoagulant prevalence

›Frailty and limited physiologic reserve

›Atypical shock physiology

›Blunted tachycardia

›Early delirium as hypoperfusion sign

›Renal reserve limitations

›Higher AKI risk

›Contrast nephropathy risk context and mitigation

Pediatrics

›Pediatric considerations

›Imaging thresholds and dosing

›Weight-based contrast protocol per pediatric radiology

›Radiation minimization principles

›Injury patterns

10Background/b28

Epidemiology

›Population and mechanism patterns

›Renal trauma frequency in overall trauma

›Kidney as common GU organ injured in trauma

›Blunt trauma as predominant mechanism in many settings

›Associated injury burden

›Rib and spine injuries

›Abdominal solid organ injuries

Pathophysiology

›Injury mechanisms and anatomy

›Parenchymal laceration

›Cortical tear with hematoma

›Extension to medulla and collecting system

›Vascular injury spectrum

›Segmental arterial injury and pseudoaneurysm

›Pedicle avulsion and devascularization

›Urine leak pathway

›Collecting system disruption

›Urinoma formation with delayed infection risk

Therapeutic Considerations

›Why management is stability-driven

›Hemodynamic stability as key determinant

›Stable patients often succeed with nonoperative care

›Unstable patients need rapid hemorrhage control

›Renal preservation priority

›Selective embolization kidney-sparing

›Surgery reserved for instability or unsalvageable injury

›Complication monitoring focus

11Patient Discharge Instructions/pdi16

copy discharge instructions

›Discharge plan after renal injury

›Activity restriction

›Avoid heavy lifting and contact sports until cleared by follow-up

›Gradual return to activity per urology or trauma plan

›Hydration and urine observation

›Adequate oral fluids unless restricted

›Expect urine to clear over time if mild hematuria persists

›Return to ED now

›Lightheadedness or fainting

›New or worsening flank or abdominal pain

›Visible blood in urine worsening or clots with urinary retention

›Fever or chills

›New vomiting with inability to keep fluids down

›Follow-up

›Urology or trauma clinic appointment timing per discharge plan

›Repeat imaging if arranged for high-grade injury or urine leak concern

12References/r19

Guidelines and core sources

›Evidence-based sources and guideline anchors

›American Urological Association urotrauma guideline

›Renal trauma imaging and management statements

›Collecting system injury follow-up guidance

›European Association of Urology guidelines on urological trauma

›Renal trauma grading and intervention thresholds

›Pediatric and pregnancy considerations

›WSES-AAST kidney and urogenital trauma guidance

›Stability-driven management framework

›Angioembolization and operative indications

›EAST practice management guidance for genitourinary trauma

›Hematuria imaging thresholds

›Observation and follow-up strategies

›ATLS trauma principles

›Hemorrhage control priorities

›Damage control resuscitation principles

›Clinical management system build spec

›Checkbox-only formatting rules

›Section ordering and nesting rules

Evidence & Review

Reviewed by SymptomDx Medical Team · Last reviewed August 18, 2026

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