How we manage a trauma case
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"trauma" AND "management" AND "ATLS"
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Management of a Trauma Case
Based on ATLS (Advanced Trauma Life Support) principles - the internationally recognized standard for trauma care - the management follows a systematic, time-based approach: Primary Survey → Resuscitation → Secondary Survey → Definitive Care. The core principle is: "what kills first should be managed first."
The Timeline Concept
Every second counts after injury. Interventions are categorized by urgency:
- Emergent - life-saving (minutes)
- Acute - restoring physiological stability (hours)
- Delayed/Semielective - managing complications (days to weeks)
Conditions like airway obstruction, tension pneumothorax, and cardiac tamponade will be fatal if left untreated for only a few minutes - they take absolute priority.
PRIMARY SURVEY - (C)ABCDE
The primary survey identifies and treats life-threatening injuries in the order they will kill the patient fastest.
A well-functioning trauma team should simultaneously manage airway, breathing, and circulation under a team leader's guidance when the patient presents in extremis.
C - Catastrophic Hemorrhage Control (pre-A)
In patients with brisk external bleeding, this takes precedence over everything else:
- Direct manual compression
- Wound packing
- Tourniquet (for extremity bleeding)
- The ACS "Stop the Bleed" campaign teaches community members these steps
A - Airway (with Cervical Spine Immobilization)
Quick assessment: Ask the patient their name - a verbal response confirms a patent airway and gauges mental status.
High-risk patterns that signal airway compromise:
- Burns or injuries to head, face, and neck
- Agitation, belligerence, stridor, hoarseness, gurgling
- Use of accessory respiratory muscles
Management ladder:
- Jaw thrust / chin lift (with C-spine precautions)
- Oral or nasopharyngeal airway
- Rapid Sequence Intubation (RSI) - preferred definitive airway in trauma
- Surgical cricothyroidotomy - if RSI fails or cannot be performed
After intubation, confirm placement with end-tidal CO2 (capnography) + pulse oximetry + CXR.
In blunt trauma, in-line cervical spine immobilization must be maintained throughout. A team member holds the neck manually if the collar is removed for intubation.
B - Breathing and Ventilation
Assess by auscultation of bilateral breath sounds + chest rise inspection.
| Finding | Likely Cause | Action |
|---|---|---|
| Absent breath sounds, tracheal deviation, JVD, hypotension | Tension pneumothorax | Immediate needle decompression (2nd ICS, MCL) → chest tube |
| Absent breath sounds, dull percussion | Hemothorax | Chest tube thoracostomy |
| Paradoxical chest wall movement | Flail chest | Ventilatory support |
| No lung sliding on U/S | Pneumothorax | Chest tube |
Bedside ultrasound can detect subclinical pneumothorax rapidly. Patients in extremis may require bilateral finger thoracostomies for rapid chest evaluation.
C - Circulation (Hemorrhage Control)
The #1 cause of preventable trauma deaths is hemorrhage. Maintain a high index of suspicion for bleeding.
Signs of hemorrhagic shock: Tachycardia, weak/absent peripheral pulses, pale/cool/clammy skin, decreased cap refill.
The Shock Index (SI) = HR / SBP. A SI > 0.9 is highly suggestive of critical bleeding and is a better predictor than either HR or SBP alone.
Classification of Hemorrhage
| Class | Blood Loss | BP | HR | Mental Status |
|---|---|---|---|---|
| I | <15% (~750 mL) | Normal | <100 | Normal |
| II (Mild) | 15-30% (750-1500 mL) | Normal | 100-120 | Anxious |
| III (Moderate) | 30-40% (1500-2000 mL) | Decreased | 120-140 | Confused |
| IV (Severe) | >40% (>2000 mL) | Severely decreased | >140 | Lethargic/unresponsive |
Resuscitation strategy:
- Class I-II: Crystalloid (use judiciously - avoid excessive crystalloid diluting clotting factors)
- Class III: Blood transfusion required
- Class IV: Damage Control Resuscitation (DCR) - blood-based resuscitation in 1:1:1 ratio (packed RBCs : FFP : platelets), massive transfusion protocol (MTP) activation
Differential Diagnosis of Shock in Trauma
| Type | Key Signs | Management |
|---|---|---|
| Hemorrhagic - Chest | Respiratory distress, absent breath sounds, flat neck veins | Chest tube / thoracotomy |
| Hemorrhagic - Abdomen | Peritonitis, distension, seat belt sign | IR embolization / laparotomy |
| Hemorrhagic - Pelvis | Pelvic instability, blood at urethra | IR embolization / external fixation |
| Cardiac tamponade | Beck's triad (muffled sounds + JVD + hypotension), narrow pulse pressure | Pericardiocentesis / sternotomy |
| Tension pneumothorax | JVD, tracheal deviation, absent breath sounds, tympanic | Needle decompression |
| Neurogenic shock | Hypotension without tachycardia (cervical/upper thoracic injury) | Fluids + vasopressors |
D - Disability (Neurological Status)
Glasgow Coma Scale (GCS) is the standard tool:
- GCS ≤ 8 = patient cannot protect airway → requires intubation
- Assess pupils (size, symmetry, reactivity)
- Assess motor response and lateralizing signs
Preventing secondary brain injury (if TBI suspected):
- Avoid hypoxia (SpO2 > 94%)
- Avoid hypotension (SBP > 90 mmHg)
- Target PaCO2 35-40 mmHg (avoid hyperventilation)
- Target normoglycemia
- Urgent CT head for any GCS drop (do not wait for clinical herniation signs - it may be too late)
E - Exposure and Environment
- Fully undress the patient (cut off all clothing) for complete examination - missed injuries are a major cause of preventable death
- Log-roll to examine the back
- Prevent hypothermia - the "lethal triad" in trauma is: Hypothermia + Acidosis + Coagulopathy
- Warmed IV fluids
- Warm blankets / forced-air warming
- Elevated room temperature
RESUSCITATION ADJUNCTS (during primary survey)
- 2 large-bore IVs (16G or larger) in antecubital fossae - or IO access if veins are unavailable
- eFAST exam (extended FAST) - ultrasound of pericardium, RUQ, LUQ, pelvis, and bilateral pleural spaces
- Trauma X-rays - AP chest + AP pelvis (C-spine lateral if indicated)
- Labs - FBC, coagulation screen, cross-match, ABG, lactate, β-hCG (females of reproductive age)
- ECG monitoring + urinary catheter (if no urethral injury) + NG/OG tube
Trauma-Induced Coagulopathy (TIC)
TIC is present in up to 25% of major trauma patients on arrival - before any fluids are given. It is driven by tissue hypoperfusion activating the endothelial thrombomodulin-protein C pathway, causing anticoagulation and hyperfibrinolysis.
Management:
- Damage control resuscitation (DCR): blood products in 1:1:1 ratio
- Tranexamic acid (TXA) - within 3 hours of injury (reduces fibrinolysis and mortality)
- Avoid large-volume crystalloid (worsens dilutional coagulopathy and acidosis)
- Warm all blood products (prevents hypothermia-worsened coagulopathy)
SECONDARY SURVEY
Performed only after the primary survey is complete and vital signs normalize.
- Complete head-to-toe physical examination (scalp to toes)
- Full AMPLE history: Allergies, Medications, Past medical history, Last meal, Events leading to injury
- Systematic examination: Head → Face → Neck → Chest → Abdomen → Perineum/Pelvis → Extremities → Back (log-roll)
- Note: all four limbs assessed for vascular injury (pulses, doppler, ABI)
IMAGING
| Modality | Use |
|---|---|
| CXR | Pneumothorax, hemothorax, aortic injury, ETT position, mediastinal widening |
| Pelvic XR | Pelvic ring disruption in hemodynamically unstable patients |
| FAST/eFAST | Free fluid (hemorrhage) in abdomen/pelvis, pericardial effusion, pneumothorax |
| CT (Pan-scan) | Hemodynamically stable patients - gold standard for solid organ, vascular, and spine injury |
| CT Angiography | Suspected vascular injury (aorta, peripheral vessels) |
DEFINITIVE HEMORRHAGE CONTROL
Sites of internal bleeding: Chest, Abdomen, Pelvis, Long bones, External.
| Situation | Intervention |
|---|---|
| External bleeding | Compression, packing, tourniquet |
| Hemodynamically unstable + FAST positive | Emergency laparotomy |
| Hemodynamically stable + solid organ injury | Interventional radiology (IR) embolization |
| Pelvic fracture bleeding | Pelvic binder → IR embolization or pelvic packing |
| Patient in extremis | Emergency department thoracotomy or REBOA (Resuscitative Endovascular Balloon Occlusion of the Aorta) as a bridge |
DAMAGE CONTROL SURGERY (DCS)
For severely physiologically deranged patients (hypothermia, acidosis, coagulopathy):
- Stage 1: Abbreviated surgery - control hemorrhage and contamination only (pack, clamp, temporary closure)
- Stage 2: ICU resuscitation - warm, correct coagulopathy, restore physiology
- Stage 3: Definitive repair once patient is stabilized
SPECIAL SITUATIONS
- Pregnancy: Resuscitate the mother first - optimal fetal outcomes follow maternal stabilization; left lateral tilt after 20 weeks to relieve aortocaval compression
- Pediatric trauma: Same (C)ABCDE approach; blood pressure is preserved until 25-30% volume loss (less reliable indicator)
- Penetrating neck trauma: Follow ATLS guidelines with special attention to Zone I/II/III and hard vs. soft signs of vascular/aerodigestive injury
- TBI + polytrauma: Avoid secondary brain injury; permissive hypotension does NOT apply in TBI (target SBP ≥ 90-100 mmHg)
Summary Flowchart
SCENE → Rapid Assessment →
PRIMARY SURVEY (C-ABCDE) + Simultaneous Resuscitation →
↓
Adjuncts: eFAST / X-rays / Labs / Monitoring
↓
Hemorrhage Source Identified → Definitive Control (OR / IR / ICU)
↓
SECONDARY SURVEY (Head-to-Toe) + AMPLE History
↓
Imaging (CT Pan-scan if stable)
↓
DEFINITIVE CARE / ICU / Tertiary Survey
Sources: Current Surgical Therapy 14e; Bailey and Love's Short Practice of Surgery 28th Ed; Morgan & Mikhail's Clinical Anesthesiology 7e; Tintinalli's Emergency Medicine.
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