HemothoraxMANAGEMENT

RESPIRATORY PRESENTATIONS · 12 SECTIONS

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580 items

☷ Legend

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Cardiovascular Presentations66▾

Respiratory Presentations47▾

Acute bronchitis Acute Respiratory Distress Syndrome (ARDS)Acute respiratory failure Apparent Life-Threatening Event (ALTE-BRUE)Aspiration pneumonia Asthma exacerbation Bacterial Tracheitis Bronchiolitis Bronchiolitis (RSV)Chylothorax Community-acquired pneumonia COPD exacerbation COVID-19 pneumonia Croup Croup (laryngotracheobronchitis)Cystic Fibrosis Exacerbation Empyema Epiglottitis Epiglottitis (Pediatric)Fat Embolism Syndrome Foreign Body Aspiration Foreign Body Aspiration (Pediatric)Healthcare-Associated Pneumonia Hemothorax Hospital-acquired pneumonia Legionnaires' Disease Lung Abscess Pertussis Pleural effusion Pleurisy Pneumocystis jirovecii Pneumonia Pneumocystis Pneumonia Pneumomediastinum Pneumothorax (Simple)Pneumothorax (traumatic)Psittacosis Pulmonary Alveolar Proteinosis Pulmonary contusion Pulmonary Edema (Non-cardiogenic)Sarcoidosis Exacerbation Smoke Inhalation Injury Spontaneous pneumothorax Status Asthmaticus Sudden Infant Death Syndrome (SIDS)Tension Pneumothorax Tracheal Stenosis Viral Pneumonia

Neurological Presentations77▾

Gastrointestinal Presentations63▾

Genitourinary and Reproductive Presentations44▾

Infectious Disease Presentations146▾

Trauma Presentations88▾

Toxicologic Presentations67▾

Psychiatric Presentations25▾

Musculoskeletal and Rheumatologic Presentations89▾

Dermatology Presentations21▾

Environmental and Exposure Presentations26▾

Hematologic and Oncologic Presentations30▾

Pediatric-Specific Presentations13▾

Endocrine and Metabolic Presentations42▾

ENT and Maxillofacial Presentations21▾

Ophthalmologic Presentations15▾

Obstetric Presentations17▾

Systemic and Miscellaneous Presentations15▾

01Approach to the Critical Patient/attcp67

Immediate priorities

›Life threats

›Hemorrhagic shock

›Massive hemothorax

›Ongoing intrathoracic bleeding

›Ventilatory failure

›Lung collapse

›Associated pneumothorax

›Obstructive physiology

›Tension hemothorax

›Mediastinal shift

›Concurrent injuries

›Penetrating chest trauma

›Blunt thoracic trauma

›Major vascular injury

›Airway and breathing

›High-flow oxygen

›Target SpO2 94-98%

›Lower target 88-92% if chronic hypercapnia risk

›Ventilation support

›Assisted ventilation for fatigue

›Early intubation if refractory hypoxemia

›Immediate decompression triggers

›Severe respiratory distress with unilateral absent breath sounds

›Hypotension with suspected tension physiology

›Circulation and hemorrhage control

›IV access and monitoring

›Two large-bore IVs

›Arterial line if ongoing shock

›Continuous ECG monitoring

›Transfusion strategy

›Massive transfusion protocol activation criteria

›Hemodynamic instability with suspected major bleeding

›Rapidly falling hemoglobin with trauma

›Positive eFAST with shock

›Balanced resuscitation

›PRBCs with plasma and platelets per institutional ratio

›Calcium replacement during massive transfusion

›Anticoagulant considerations

›Anticoagulant and antiplatelet history

›Reversal pathway if life-threatening bleeding

›Early definitive actions

›Tube thoracostomy readiness

›Large-bore chest tube equipment

›Analgesia plan

›Blood loss quantification plan

›Surgical escalation triggers

›Initial chest tube output >1500 mL

›Ongoing output >200 mL/hour for 2-4 hours

›Persistent shock despite resuscitation and drainage

›Suspected great vessel injury

›Hemodynamic targets

›Perfusion goals

›MAP at least 65 mmHg

›Mentation and urine output trends

›Permissive hypotension

›Consider until hemorrhage control in penetrating trauma without TBI

›Avoid if traumatic brain injury suspected

›Consultation and activation

›Trauma surgery

›Any traumatic hemothorax needing tube thoracostomy

›Massive hemothorax criteria

›Thoracic surgery

›Ongoing bleeding criteria

›Retained hemothorax needing operative management

›Interventional radiology

›Suspected arterial bleeding on CT

›Stable patient with focal contrast extravasation

02History/hx60

Core features

›Presenting syndrome

›Pleuritic chest pain

›Side localization

›Sudden onset after trauma

›Dyspnea

›Progressive over minutes to hours

›Exertional limitation

›Hemodynamic symptoms

›Lightheadedness

›Syncope

›Cough

›Hemoptysis

›Sputum changes

›Time course

›Onset timing

›Immediate post-injury

›Delayed presentation

›Progression

›Worsening dyspnea

›Increasing chest pain

›Mechanism and context

›Trauma mechanism

›Blunt

›MVC

›Fall

›Crush injury

›Penetrating

›Stab wound

›Gunshot wound

›Iatrogenic risk

›Central venous catheter insertion

›Thoracentesis

›Lung biopsy

›Bleeding risk

›Medications

›Anticoagulants

›Antiplatelets

›Coagulopathy

›Liver disease

›Hemophilia and bleeding disorders

›Recent surgery

›Cardiothoracic surgery

›Vascular procedures

›Associated injury symptoms

›Head injury symptoms

›Loss of consciousness

›Persistent vomiting

›Abdominal injury symptoms

›Abdominal pain

›Shoulder pain

›Spine injury symptoms

›Neck pain

›Neuro symptoms

›Baseline status

›Lung disease history

›COPD

›Asthma

›Functional baseline

›Exercise tolerance

›Home oxygen use

03Physical Exam/exam43

Key findings

›Respiratory assessment

›Work of breathing

›Accessory muscle use

›Inability to speak full sentences

›Auscultation

›Decreased breath sounds on affected side

›Reduced air entry at bases

›Percussion

›Dullness over affected hemithorax

›Hyperresonance suggesting concurrent pneumothorax

›Chest wall

›Tenderness

›Crepitus

›Flail segment

›Hemodynamics

›Shock features

›Tachycardia

›Hypotension

›Cool extremities

›Neck veins

›Flat neck veins with hypovolemia

›Distended neck veins with tension physiology

›Skin and trauma survey

›Penetrating wounds

›Location mapping

›Entrance and exit wounds

›Ecchymosis patterns

›Seatbelt sign

›Lateral chest wall bruising

›Neurologic and perfusion

›Mental status

›Agitation

›Lethargy

›Peripheral perfusion

›Capillary refill

›Radial pulse quality

›PITFALLS

›Early hemothorax with subtle exam

›Normal breath sounds in small collections

›Misattribution to pain-limited breathing

›Combined hemopneumothorax

›Mixed percussion findings

›Rapid decompensation after positive pressure ventilation

04Differential Diagnosis/ddx46

Life-threatening causes of dyspnea and shock

›Traumatic thoracic bleeding

›Hemothorax (J94.2)

›Traumatic hemothorax (S27.1XX)

›Massive hemothorax

›Great vessel injury

›Thoracic aortic injury

›Subclavian vessel injury

›Cardiac injury

›Pericardial tamponade

›Myocardial contusion

›Pleural space disorders

›Tension pneumothorax

›Hyperresonance

›Tracheal deviation

›Large pneumothorax

›Pleuritic pain

›Hypoxemia

›Pulmonary parenchymal disorders

›Pulmonary contusion

›Hypoxemia out of proportion to exam

›Imaging infiltrates

›Aspiration

›Vomiting

›Altered mental status

›Thromboembolic disease

›Pulmonary embolism (I26.99)

›Risk factors without trauma explanation

›Pleuritic pain with tachycardia

›Infectious and inflammatory

›Pneumonia (J18.9)

›Fever

›Focal crackles

›Pleural effusion

›Malignancy-related

›Heart failure-related

Mimics and related diagnoses

›Musculoskeletal pain

›Rib fracture (S22.3)

›Splinting and hypoventilation

›Sternal fracture (S22.20)

›Abdominal sources

›Splenic injury

›Referred shoulder pain

›Shock with abdominal tenderness

›Liver injury

›RUQ pain

›Falling hemoglobin

05Laboratory Tests/lt37

Initial labs

›Bleeding and perfusion assessment

›Complete blood count

›Hemoglobin baseline for trend

›Platelets for bleeding risk

›Coagulation profile

›INR

›aPTT

›Fibrinogen

›Low fibrinogen suggesting consumptive bleeding

›Replacement trigger per massive transfusion protocol

›Type and screen

›Crossmatch for anticipated transfusion

›Massive transfusion activation coordination

›Metabolic and end-organ markers

›Venous or arterial blood gas

›Lactate for shock severity

›pH for perfusion adequacy

›PaO2 in mmHg if arterial sample

›Basic metabolic panel

›Potassium for transfusion planning

›Creatinine for contrast planning

›Calcium

›Ionized calcium for citrate toxicity

›Replacement threshold per protocol

Targeted tests

›Medication and toxin context

›Anti-factor Xa level

›Factor Xa inhibitor exposure confirmation when available

›Guidance for reversal intensity

›Thromboelastography or rotational thromboelastometry

›Goal-directed product replacement

›Hyperfibrinolysis signal for antifibrinolytic consideration

PITFALLS

›Hemoglobin limitations early

›Normal hemoglobin despite major acute blood loss

›Trend over time more informative than single value

›Dilutional effects

›Crystalloid resuscitation lowering hemoglobin

›Coagulopathy exacerbation with large-volume crystalloids

06Diagnostic Tests/dt54

Scoring Systems

›Hemorrhage and transfusion prediction

›ABC score for massive transfusion

›Penetrating mechanism

›Positive FAST or eFAST

›SBP 90 mmHg or less

›Heart rate 120 beats/min or more

›Shock index

›Heart rate divided by SBP

›Values above 0.9 suggesting increased risk of significant hemorrhage

›TASH score

›Hemoglobin

›Base excess

›SBP

›Heart rate

›FAST result

›Long bone or pelvic fracture indicators

MRI

›Limited role

›Non-acute evaluation

›Chronic organizing hemothorax characterization

›Pleural mass differentiation if stable and unclear etiology

›Constraints

›Not for unstable trauma patients

›Time and monitoring limitations

›CT chest with IV contrast

›Indications

›Stable patient with suspected intrathoracic injury

›Large hemothorax without clear source on radiograph

›Concern for vascular injury

›Key findings

›Pleural fluid with high attenuation suggesting blood

›Active contrast extravasation

›Lung laceration

›Intercostal artery injury

›Actionable outputs

›Contrast blush suggesting arterial bleeding

›IR embolization consideration in stable patients

›Operative management if unstable

›PITFALLS

›Supine CT redistribution

›Posterior layering masking size estimation

›Correlate with hemodynamics and tube output

Ultrasound

›eFAST pleural views

›Hemothorax detection

›Anechoic or complex fluid above diaphragm

›Spine sign above diaphragm

›Performance considerations

›Higher sensitivity for moderate to large collections

›Lower sensitivity for very small hemothorax

›Cardiac views

›Pericardial effusion detection

›Tamponade physiology clues

›Procedural guidance

›Tube thoracostomy site confirmation support

›Avoidance of diaphragm injury with localization

07Disposition/dispo40

Level of care

›Admission criteria

›Any traumatic hemothorax needing tube thoracostomy

›Continuous monitoring requirement

›Serial drainage assessment

›Ongoing oxygen requirement

›Persistent hypoxemia

›Need for noninvasive ventilation

›Significant associated injuries

›Multiple rib fractures

›Pulmonary contusion

›ICU criteria

›Hemodynamic instability

›Vasopressor requirement

›Ongoing transfusion requirement

›Massive hemothorax indicators

›Large initial chest tube output

›Continued high output

›Ventilatory support

›Intubated patient

›High-flow oxygen requirement

›Operative or procedural pathway

›Immediate OR

›Massive hemothorax criteria met

›Persistent shock with ongoing intrathoracic bleeding

›Early VATS consideration

›Retained hemothorax on imaging

›Persistent fever or leukocytosis with pleural collection

›Transfer criteria

›Trauma center need

›Thoracic surgery unavailable

›Interventional radiology unavailable for arterial bleeding

›High-acuity multi-system trauma

Discharge considerations

›Possible outpatient pathway

›Small hemothorax without respiratory compromise

›Stable vitals

›No oxygen requirement

›Reliable follow-up

›Imaging plan

›Repeat chest radiograph within 24-72 hours

›Return precautions for worsening symptoms

08Treatment/t103

Pleural drainage

›Tube thoracostomy strategy

›Indications

›Moderate to large traumatic hemothorax

›Symptomatic small hemothorax

›Hemopneumothorax

›Tube selection

›Large-bore tube

›Typical adult size 28-36 Fr

›Larger size for viscous clot burden

›Pigtail catheter

›Consider in select stable patients with small hemothorax

›Close monitoring for failure and retained clot

›System setup

›Water seal system

›Initial suction if large collection or persistent air leak

›Transition criteria to water seal after lung re-expansion

›Output tracking

›Initial output measurement

›Quantified volume documentation

›Immediate escalation threshold 1500 mL

›Ongoing output trend

›Hourly measurement initially

›Escalation threshold 200 mL/hour for 2-4 hours

›Evidence framing

›Tube thoracostomy for traumatic hemothorax as standard of care (Class I, expert consensus)

›Massive hemothorax thoracotomy criteria as standard trauma consensus (Class I, expert consensus)

Resuscitation and hemorrhage control

›Blood product resuscitation

›Massive transfusion protocol

›Early activation in suspected major bleeding

›Balanced component therapy per institutional protocol

›Calcium replacement

›Calcium chloride IV

›1 g IV

›Repeat dosing guided by ionized calcium

›Calcium gluconate IV

›3 g IV

›Alternative if peripheral access only

›Temperature management

›Active warming to prevent coagulopathy

›Warmed fluids and blood products

›Antifibrinolytic therapy

›Tranexamic acid

›If within 3 hours of major trauma and suspected significant bleeding

›Initiate 1 g IV over 10 minutes

›Follow with 1 g IV over 8 hours

›Avoid initiation beyond 3 hours after injury due to harm signal in trauma literature

Analgesia and supportive care

›Analgesia plan

›Opioid options

›Fentanyl IV

›25-50 micrograms IV

›Repeat every 5-10 minutes to effect

›Monitor for respiratory depression

›Hydromorphone IV

›0.2-0.5 mg IV

›Repeat every 10-15 minutes to effect

›Longer duration caution in older adults

›Non-opioid adjuncts

›Acetaminophen PO or IV

›1000 mg

›Maximum 4000 mg per 24 hours

›Lower maximum in liver disease

›NSAID use

›Avoid if active bleeding concern

›Consider if bleeding controlled and renal function adequate

›Gastroprotection if high risk

›Regional analgesia

›Serratus anterior plane block

›Consider with multiple rib fractures

›Improved ventilation via pain control

›Coordinate with anesthesia or trained provider

Anticoagulant and antiplatelet reversal

›Reversal framework for life-threatening bleeding

›Vitamin K antagonist

›PCC dosing per INR and weight

›Institutional protocol dosing

›Concurrent vitamin K 10 mg IV

›Repeat INR monitoring

›Direct thrombin inhibitor

›Idarucizumab for dabigatran

›5 g IV total

›Two 2.5 g doses

›Rebound anticoagulation monitoring

›Factor Xa inhibitor

›PCC consideration when life-threatening bleeding

›Institutional protocol dosing

›Anti-factor Xa guided decisions if available

›Thrombosis risk discussion

Definitive hemorrhage control

›Operative management triggers

›Thoracotomy indications

›Initial chest tube output >1500 mL

›Suggests major vascular injury

›Immediate surgical control need

›Ongoing output >200 mL/hour for 2-4 hours

›Persistent bleeding despite drainage

›Operative exploration need

›Retained hemothorax management

›Early VATS

›Persistent pleural collection after tube

›Infection risk reduction

›Improved lung re-expansion

›Intrapleural fibrinolytics

›Consider in select non-operative candidates

›Higher bleeding risk consideration in trauma

›Specialist-guided decision

09Special Populations/sp49

Pregnancy

›Maternal and fetal considerations

›Physiologic changes

›Lower baseline PaCO2

›Reduced functional residual capacity

›Imaging principles

›eFAST and CXR prioritized

›CT with shielding when benefits outweigh risks

›Resuscitation priorities

›Maternal stabilization first

›Left uterine displacement in late pregnancy

›Medication considerations

›Avoid NSAIDs in later pregnancy

›Opioid use with monitoring

›Obstetric consultation triggers

›Viable gestation with significant trauma

›Fetal monitoring needs

›Rh immunoglobulin considerations if indicated

Geriatric

›Higher risk profile

›Anticoagulant prevalence

›Lower threshold for reversal pathway consideration

›Lower tolerance for blood loss

›Pulmonary reserve limitations

›Earlier oxygen and ventilatory support

›Lower threshold for ICU admission

›Analgesia sensitivity

›Lower initial opioid dosing

›Delirium risk monitoring

›Complication risk

›Retained hemothorax

›Lower clearance of pleural blood

›Empyema risk

Pediatrics

›Age-specific features

›Mechanism patterns

›Non-accidental trauma consideration in young children

›Bicycle and sports injuries in adolescents

›Clinical detection challenges

›Compensation until late shock

›Subtle exam findings

›Procedural adjustments

›Weight-based analgesia

›Fentanyl 1-2 micrograms/kg IV

›Morphine 0.05-0.1 mg/kg IV

›Tube size selection

›Age and weight-based chest tube sizing

›Sedation planning with airway readiness

›Disposition tendencies

›Lower threshold for admission

›Observation for delayed progression

›Repeat imaging planning

10Background/b41

Epidemiology

›Burden and patterns

›Trauma association

›Common with rib fractures and pulmonary contusion

›More frequent in penetrating chest trauma

›Clinical spectrum

›Small occult hemothorax

›Massive hemothorax with shock

›Complication rates

›Retained hemothorax risk after inadequate drainage

›Empyema risk with retained blood

Pathophysiology

›Mechanism

›Pleural space blood accumulation

›Lung compression and atelectasis

›Ventilation-perfusion mismatch

›Bleeding sources

›Intercostal arteries and veins

›Internal mammary vessels

›Pulmonary parenchymal laceration

›Great vessel injury

›Hemodynamic impact

›Reduced venous return with large volume

›Hypovolemic shock from blood loss

›Retained clot evolution

›Fibrin organization

›Pleural peel and trapped lung

Therapeutic Considerations

›Treatment goals

›Oxygenation restoration

›Lung re-expansion

›Ventilatory support when needed

›Hemorrhage control

›Rapid identification of massive bleeding

›Operative or endovascular control when indicated

›Infection prevention

›Adequate drainage to reduce empyema risk

›Early management of retained collections

›Evidence framing for escalation thresholds

›Massive hemothorax thresholds

›Surgical exploration triggers widely used in trauma practice (Class I, expert consensus)

›Output-based thresholds correlating with major vascular injury risk (Class I, expert consensus)

›Early VATS for retained hemothorax

›Reduced infectious complications and shorter length of stay in trauma literature (Class IIa, moderate evidence)

11Patient Discharge Instructions/pdi24

copy discharge instructions

›Discharge instructions

›Diagnosis

›Hemothorax

›Chest trauma with pleural blood

›Activity

›Avoid heavy lifting and contact sports until cleared

›Deep breathing and gentle coughing exercises

›Pain control

›Acetaminophen as directed

›Avoid NSAIDs unless specifically advised

›Follow-up

›Follow-up appointment within 24-72 hours if discharged with small hemothorax

›Repeat chest radiograph per plan

›Return to ED immediately for

›Worsening shortness of breath

›New chest tightness or severe chest pain

›Fainting or near-fainting

›Rapidly worsening weakness

›Fever or shaking chills

›Coughing up blood

›Chest tube specific

›Increasing drainage volume or new bright red blood

›New air leak sound from device

›Tube dislodgement or dressing saturation

12References/r16

Guidelines and evidence sources

›Trauma and pleural blood references

›ATLS trauma management framework for thoracic trauma

›Tube thoracostomy indications for traumatic hemothorax

›Massive hemothorax operative escalation thresholds

›EAST practice management guidelines on hemothorax and occult pneumothorax

›Drainage strategies and retained hemothorax management

›Early VATS considerations

›British Thoracic Society pleural disease guidance

›Pleural space management principles

›Complication prevention concepts

›Trauma massive transfusion literature

›Balanced component therapy strategies

›Tranexamic acid early trauma use evidence base

›eFAST and thoracic ultrasound literature

›Pleural fluid detection performance characteristics

›Integration into trauma primary survey

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Reviewed by SymptomDx Medical Team · Last reviewed June 16, 2026

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