English for Emergency Medicine: Essential Vocabulary & Phrases

"triage"

The process of sorting patients by urgency of need so that those most critically ill receive treatment first

"The charge nurse performed triage at the door, immediately tagging the patient with crushing chest pain as priority one."

"ABCDE assessment"

A structured approach to emergency evaluation covering Airway, Breathing, Circulation, Disability, and Exposure in sequence

"The paramedic completed an ABCDE assessment on scene and identified a tension pneumothorax before the patient reached the emergency department."

"presenting complaint"

The main symptom or problem that prompted the patient to seek emergency care, stated in the patient's own words

"The presenting complaint was sudden-onset severe headache, which prompted the clinician to consider subarachnoid haemorrhage immediately."

"Glasgow Coma Scale"

A standardised neurological scoring tool that assesses eye opening, verbal response, and motor response to quantify a patient's level of consciousness

"The patient's Glasgow Coma Scale score had dropped from 14 to 9 over twenty minutes, indicating rapid neurological deterioration."

"vital signs"

The four primary physiological measurements — pulse rate, blood pressure, respiratory rate, and temperature — used to assess basic body functions

"Serial vital signs showed progressive tachycardia and hypotension, confirming haemodynamic instability in the trauma patient."

"red flag symptom"

A warning feature in a patient's history or examination that indicates a potentially serious or life-threatening underlying condition

"Sudden onset of the worst headache of his life is a red flag symptom that should always prompt investigation for subarachnoid haemorrhage."

"Emergency Severity Index"

A five-level triage algorithm used in emergency departments to classify patients by acuity and anticipated resource use

"The triage nurse assigned an Emergency Severity Index of two to the child with respiratory distress and oxygen saturations of 88%."

"point-of-care testing"

Diagnostic tests performed at or near the bedside to obtain rapid results that guide immediate clinical decisions

"Point-of-care testing for troponin and BNP allowed the team to rule in acute myocardial infarction within fifteen minutes of the patient's arrival."

"return of spontaneous circulation"

The restoration of a palpable pulse and sustainable cardiac output following cardiac arrest and resuscitation efforts

"The team achieved return of spontaneous circulation after the fourth defibrillation shock and one milligram of intravenous adrenaline."

"shockable rhythm"

A cardiac arrest rhythm — ventricular fibrillation or pulseless ventricular tachycardia — that may be terminated by defibrillation

"The monitor showed coarse ventricular fibrillation, a shockable rhythm, so the team charged the defibrillator to 200 joules immediately."

"pulseless electrical activity"

A cardiac arrest state in which organised electrical activity is present on the monitor but no cardiac output or palpable pulse is generated

"Pulseless electrical activity in the setting of a massive pulmonary embolism prompted the team to initiate thrombolysis during cardiopulmonary resuscitation."

"advanced airway"

An endotracheal tube or supraglottic device inserted to secure the airway during resuscitation, allowing continuous chest compressions without interruption

"Once an advanced airway was placed, the team could deliver asynchronous ventilations at ten per minute while maintaining uninterrupted compressions."

"therapeutic hypothermia"

The deliberate lowering of core body temperature to 32–36°C after cardiac arrest to reduce neurological damage during the post-resuscitation phase

"The patient was transferred to the intensive care unit for 24 hours of targeted temperature management with therapeutic hypothermia after achieving return of spontaneous circulation."

"reversible cause"

One of the 4H and 4T factors — hypoxia, hypovolaemia, hypo/hyperkalaemia, hypothermia, tension pneumothorax, tamponade, toxins, thrombosis — that may be causing or sustaining cardiac arrest

"The team systematically reviewed every reversible cause and identified severe hyperkalaemia as the likely precipitant of the cardiac arrest in the dialysis patient."

"compressions-to-ventilation ratio"

The number of chest compressions delivered relative to ventilations; 30:2 in adults before an advanced airway is secured

"The resuscitation officer reminded the team to maintain a 30:2 compressions-to-ventilation ratio until the anaesthetist intubated the patient."

"defibrillation"

The delivery of a controlled electric shock to the heart to terminate a shockable cardiac rhythm and restore normal electrical activity

"Biphasic defibrillation at 200 joules converted the patient from ventricular fibrillation to sinus rhythm on the first shock."

"haemorrhagic shock"

A life-threatening state of circulatory failure caused by significant blood loss, leading to inadequate tissue perfusion

"The trauma surgeon classified the patient as class III haemorrhagic shock based on a heart rate of 130, falling blood pressure, and a 2-litre estimated blood loss from the open femur fracture."

"damage control resuscitation"

A trauma resuscitation strategy that minimises crystalloid infusion and uses blood products in a balanced ratio to correct coagulopathy early

"Damage control resuscitation with a 1:1:1 ratio of packed red cells, fresh frozen plasma, and platelets was initiated before the patient reached the operating theatre."

"permissive hypotension"

The deliberate acceptance of a lower-than-normal blood pressure target in penetrating trauma to avoid diluting clotting factors and worsening haemorrhage

"The trauma protocol called for permissive hypotension with a systolic target of 80–90 mmHg in the patient with a penetrating abdominal injury until surgical haemorrhage control was achieved."

"massive haemorrhage protocol"

A pre-agreed hospital activation plan that rapidly delivers large volumes of blood products and reversal agents to the bedside when life-threatening bleeding is identified

"The trauma team leader activated the massive haemorrhage protocol the moment the blood pressure became unrecordable despite two litres of intravenous fluid."

"tension pneumothorax"

A life-threatening emergency in which air accumulates under pressure in the pleural space, compressing the heart and great vessels and preventing venous return

"Absent breath sounds on the left with tracheal deviation to the right indicated a tension pneumothorax, so the doctor performed immediate needle decompression."

"primary survey"

The initial rapid assessment of a trauma patient addressing Airway, Breathing, Circulation, Disability, and Exposure to identify and treat immediately life-threatening injuries

"During the primary survey the team found a penetrating chest wound, applied an occlusive dressing, and reassessed breathing before moving to the secondary survey."

"major incident"

An event that overwhelms routine emergency service resources and requires special coordination, involving multiple casualties or significant infrastructure damage

"The hospital declared a major incident when local police confirmed that a coach collision had produced more than forty casualties en route to the emergency department."

"tourniquet"

A constricting device applied proximal to a limb wound to occlude arterial blood flow and control life-threatening haemorrhage

"The combat medic applied a tourniquet high and tight on the thigh within seconds of identifying arterial bleeding from the blast injury."

"acute coronary syndrome"

A spectrum of conditions — unstable angina, NSTEMI, and STEMI — caused by sudden reduction in coronary blood flow, presenting with chest pain and ECG changes

"The electrocardiogram showing ST-segment elevation in leads V1 through V4 confirmed an anterior STEMI as the cause of the acute coronary syndrome."

"thrombolysis"

The pharmacological dissolution of a blood clot using fibrinolytic agents, used in conditions such as ischaemic stroke, massive pulmonary embolism, or STEMI when primary PCI is unavailable

"As the stroke thrombectomy suite was unavailable, the team administered intravenous alteplase as thrombolysis within 90 minutes of symptom onset."

"sepsis"

A life-threatening organ dysfunction caused by a dysregulated host response to infection, characterised by elevated lactate and organ failure criteria

"The patient met three of the SOFA criteria for sepsis: altered mental status, hypotension requiring vasopressors, and a creatinine of 320 micromoles per litre."

"FAST examination"

Focused Assessment with Sonography in Trauma — a bedside ultrasound protocol to detect free fluid (blood) in the pericardium and abdomen

"The FAST examination revealed free fluid in Morrison's pouch and around the spleen, confirming intra-abdominal haemorrhage requiring emergency laparotomy."

"anaphylaxis"

A severe, potentially fatal systemic allergic reaction characterised by urticaria, angioedema, hypotension, and bronchospasm

"The patient developed anaphylaxis within minutes of the first dose of intravenous penicillin, requiring intramuscular adrenaline, antihistamines, and corticosteroids."

"acute respiratory failure"

The inability of the respiratory system to maintain adequate gas exchange, defined by a PaO₂ below 8 kPa or a PaCO₂ above 6.5 kPa on arterial blood gas

"Acute respiratory failure with a PaO₂ of 6.1 kPa on high-flow oxygen prompted the intensivist to initiate non-invasive ventilation."

"status epilepticus"

A continuous seizure lasting more than five minutes, or two or more seizures without recovery of consciousness between them, requiring urgent pharmacological treatment

"After two doses of benzodiazepine failed to terminate the seizure, the team diagnosed refractory status epilepticus and commenced a levetiracetam infusion."

"diabetic ketoacidosis"

A metabolic emergency caused by insulin deficiency leading to hyperglycaemia, ketonaemia, and metabolic acidosis, requiring fluid resuscitation and insulin infusion

"The arterial blood gas showed a pH of 7.1 and a bicarbonate of 8, confirming diabetic ketoacidosis, so the team commenced the fixed-rate insulin infusion immediately."

"rapid sequence intubation"

A technique for emergency tracheal intubation using a sedative agent and neuromuscular blocking drug in rapid succession to secure the airway with minimal risk of aspiration

"Ketamine and suxamethonium were used for rapid sequence intubation in the combative head-injured patient who had a full stomach and no gag reflex."

"intraosseous access"

The insertion of a needle directly into the marrow cavity of a bone to achieve vascular access when peripheral intravenous access cannot be established rapidly

"After three failed peripheral attempts, the nurse practitioner placed an intraosseous access device in the proximal tibia and administered adrenaline within 90 seconds."

"chest drain"

A tube inserted into the pleural space to drain air, blood, or fluid, typically placed in the fifth intercostal space in the mid-axillary line

"A chest drain was inserted on the right side to treat the large haemothorax identified on the chest X-ray, draining 900 millilitres of blood immediately."

"needle decompression"

The emergency insertion of a large-bore cannula into the second intercostal space in the mid-clavicular line to relieve a tension pneumothorax

"Needle decompression with a 14-gauge cannula into the right second intercostal space produced an immediate rush of air and rapid haemodynamic improvement."

"cardioversion"

The delivery of a synchronised electric shock to terminate a haemodynamically significant tachyarrhythmia such as atrial fibrillation with rapid ventricular response

"The patient in fast atrial fibrillation with a blood pressure of 70 systolic received sedation followed by synchronised DC cardioversion at 100 joules."

"lumbar puncture"

A procedure in which a needle is inserted into the subarachnoid space of the lumbar spine to collect cerebrospinal fluid for analysis

"Lumbar puncture performed twelve hours after symptom onset revealed xanthochromia and elevated red cells, confirming subarachnoid haemorrhage despite a normal CT scan."

"pericardiocentesis"

The aspiration of fluid from the pericardial sac using a needle, performed as an emergency to relieve cardiac tamponade

"The cardiologist performed echo-guided pericardiocentesis and withdrew 400 millilitres of blood from the pericardial sac, with immediate improvement in blood pressure."

"cricothyroidotomy"

An emergency surgical airway created by incising the cricothyroid membrane to ventilate a patient when all other airway methods have failed

"After declaring a cannot-intubate cannot-oxygenate situation, the surgeon performed a surgical cricothyroidotomy and established a definitive airway within two minutes."

"SBAR handover"

A structured communication tool using Situation, Background, Assessment, and Recommendation to convey patient information clearly between clinicians

"The emergency physician used the SBAR handover format when handing the unstable patient to the intensive care consultant, ensuring no critical information was omitted."

"closed-loop communication"

A team communication technique in which the recipient of an instruction repeats it back to the sender to confirm understanding and prevent errors

"The team leader asked for 1 mg of adrenaline and paused until the nurse confirmed "1 mg of adrenaline drawn up" — a closed-loop communication that reduced the risk of drug error."

"escalation"

The formal process of notifying a senior clinician or specialist when a patient's condition is deteriorating or when clinical concern exceeds the current team's competence

"The junior doctor used the NEWS score of 8 to justify escalation to the registrar, who immediately arranged intensive care transfer."

"do not attempt cardiopulmonary resuscitation"

A clinical decision and documented order indicating that CPR should not be started in the event of cardiac arrest, typically made after discussion with the patient or family

"After a careful conversation with the patient's family, the consultant documented a do not attempt cardiopulmonary resuscitation decision in the medical records."

"clinical handover"

The formal transfer of professional responsibility and accountability for a patient from one clinician or team to another at the end of a shift or upon transfer

"The night team conducted a structured clinical handover using the electronic board to review every patient in the department before the day team left."

"informed consent"

The process of ensuring a patient understands the nature, benefits, risks, and alternatives of a proposed procedure before agreeing to it

"The emergency physician explained the risks of lumbar puncture and documented informed consent before proceeding, despite the patient's anxious state."

"duty of candour"

The professional and legal obligation on clinicians to be open and honest with patients when something goes wrong in their care

"Following the drug error, the consultant fulfilled the duty of candour by meeting with the patient, apologising, and explaining what steps were being taken to prevent recurrence."

"time-critical transfer"

The urgent movement of a patient to another clinical area or hospital for definitive treatment that cannot be safely delayed

"The neurosurgeon declared the patient suitable for a time-critical transfer to the regional centre, and the retrieval team was dispatched within fifteen minutes."