医療英語：必須語彙とフレーズ

"chief complaint"

The primary symptom or problem that brought the patient to seek medical attention, stated in the patient's own words

"The attending physician documented the chief complaint as "chest tightness and shortness of breath for three days.""

"presenting symptoms"

The signs and symptoms a patient reports or displays at the time of medical evaluation

"The patient's presenting symptoms — fever, productive cough, and night sweats — suggested a lower respiratory tract infection."

"differential diagnosis"

A list of possible diagnoses ranked by likelihood, generated from the patient's history, examination findings, and test results

"The intern listed acute appendicitis, mesenteric adenitis, and ovarian cyst as the top three entries in the differential diagnosis."

"auscultation"

The act of listening to the internal sounds of the body, typically with a stethoscope, to assess heart, lung, and bowel sounds

"On auscultation, the physician detected bilateral crackles at the lung bases, consistent with early pulmonary oedema."

"palpation"

A physical examination technique in which the clinician uses their hands to feel the patient's body to assess organ size, tenderness, and abnormalities

"Palpation of the abdomen revealed guarding and rebound tenderness in the right iliac fossa."

"vital signs"

A set of key physiological measurements — temperature, pulse, blood pressure, respiratory rate, and oxygen saturation — that indicate the body's basic functions

"The triage nurse recorded the vital signs and flagged the patient's oxygen saturation of 88% as requiring urgent review."

"onset and duration"

The time when a symptom first appeared and how long it has been present, two essential components of the history of presenting complaint

"Characterising the onset and duration of the headache helped the neurologist distinguish migraine from subarachnoid haemorrhage."

"referred pain"

Pain that is felt at a location away from its actual source, caused by shared nerve pathways

"The patient's left arm and jaw pain were recognised as referred pain from a myocardial infarction rather than a musculoskeletal problem."

"gold standard test"

The diagnostic method considered to be the most accurate and reliable for confirming a particular condition

"Coronary angiography remains the gold standard test for diagnosing the extent of coronary artery disease before revascularisation."

"sensitivity and specificity"

Two statistical measures of a test's performance: sensitivity measures how well a test identifies true positives, while specificity measures how well it excludes true negatives

"The new rapid antigen test had high sensitivity and specificity, making it suitable for both ruling out and confirming the diagnosis."

"false negative"

A test result that incorrectly indicates the absence of a condition when the condition is actually present

"A false negative on the initial mammogram meant the tumour was not detected until it had progressed to a later stage."

"imaging modality"

A specific type of medical imaging technique, such as X-ray, CT scan, MRI, or ultrasound, used to visualise internal structures

"MRI is the preferred imaging modality for soft tissue injuries of the knee as it provides superior contrast resolution compared with CT."

"biopsy"

The removal of a small sample of tissue from the body for microscopic examination to confirm or exclude a diagnosis, particularly cancer

"The radiologist performed an ultrasound-guided biopsy of the suspicious liver lesion to obtain tissue for histological analysis."

"pathognomonic"

A sign or symptom that is so characteristic of a specific disease that its presence alone is sufficient to confirm the diagnosis

"The Koplik's spots observed on the buccal mucosa were pathognomonic for measles, eliminating the need for laboratory confirmation."

"incidental finding"

An unexpected abnormality discovered during a medical examination or investigation that is unrelated to the original reason for the test

"A 2 cm adrenal mass found as an incidental finding on the abdominal CT required further endocrine workup to exclude phaeochromocytoma."

"reference range"

The interval of values within which a test result is considered normal for a given population, typically defined as the central 95% of a healthy reference group

"The patient's serum creatinine was above the reference range, prompting the team to calculate the estimated glomerular filtration rate."

"first-line treatment"

The preferred initial therapy for a condition, recommended as the standard of care based on evidence of efficacy and safety

"Amoxicillin remains the first-line treatment for uncomplicated community-acquired pneumonia in non-allergic adult patients."

"contraindication"

A specific circumstance, condition, or factor that makes a particular treatment inadvisable or potentially harmful

"Metformin is contraindicated in patients with an estimated glomerular filtration rate below 30 mL/min due to the risk of lactic acidosis."

"mechanism of action"

The specific biochemical or physiological process by which a drug produces its therapeutic effect

"The lecturer explained that the mechanism of action of beta-blockers involves competitive inhibition of catecholamines at adrenergic receptors."

"adverse drug reaction"

An unwanted, harmful response to a medication that occurs at doses used for treatment, prevention, or diagnosis

"The patient developed a severe adverse drug reaction to the ACE inhibitor, presenting with angioedema of the lips and tongue."

"therapeutic index"

The ratio between the toxic dose and the therapeutic dose of a drug, indicating its margin of safety

"Digoxin has a narrow therapeutic index, meaning the difference between an effective dose and a toxic dose is very small, requiring close monitoring."

"loading dose"

An initial higher dose of a drug given to rapidly achieve therapeutic concentrations in the blood before switching to a lower maintenance dose

"The cardiologist ordered a loading dose of amiodarone to quickly restore sinus rhythm in the haemodynamically stable patient."

"drug interaction"

An alteration in the effect of one drug caused by simultaneous administration of another drug, food, or substance

"The pharmacist identified a potentially dangerous drug interaction between the patient's warfarin and the newly prescribed fluconazole."

"off-label use"

The prescribing of a medication for a purpose, population, or dosage not approved by the regulatory authority

"The oncologist discussed off-label use of bevacizumab for the rare tumour type, citing emerging evidence from clinical trials."

"informed consent"

The legal and ethical process in which a patient voluntarily agrees to a proposed medical intervention after being fully advised of its risks, benefits, and alternatives

"The surgeon obtained informed consent the evening before the operation, ensuring the patient understood the risks of bleeding and infection."

"anastomosis"

A surgical connection created between two tubular structures, such as sections of bowel or blood vessels, to restore continuity

"After the colonic resection, the surgical team performed a primary anastomosis to reconnect the two ends of the large bowel."

"perioperative care"

The comprehensive management of a patient before, during, and immediately after a surgical procedure

"The anaesthetist played a central role in perioperative care, managing the patient's fluid balance and pain control from pre-admission to discharge."

"minimally invasive surgery"

Surgical techniques that use small incisions and specialised instruments, such as laparoscopy or robotic surgery, to reduce trauma and recovery time

"The patient opted for minimally invasive surgery, which allowed her to return to normal activities within two weeks rather than six."

"wound dehiscence"

The partial or complete separation of the edges of a surgical wound, a serious postoperative complication

"Wound dehiscence was identified on the fifth postoperative day, requiring the patient to return to theatre for re-suturing under general anaesthesia."

"postoperative complication"

An adverse event that occurs after a surgical procedure, such as infection, deep vein thrombosis, haemorrhage, or anastomotic leak

"The most feared postoperative complication following oesophagectomy is anastomotic leak, which significantly increases morbidity and mortality."

"surgical site infection"

An infection that occurs in the part of the body where a surgical procedure was performed, classified as superficial, deep, or organ/space

"Prophylactic antibiotics were administered 30 minutes before the incision to reduce the risk of surgical site infection."

"intraoperative findings"

Observations and discoveries made by the surgical team during an operation, which may alter the planned procedure

"Intraoperative findings revealed extensive adhesions from previous surgery, which significantly prolonged the procedure."

"ward round"

A regular visit made by a team of physicians and healthcare professionals to all patients on a hospital ward to review progress and update management plans

"During the morning ward round, the consultant reviewed each patient's overnight observations and adjusted medication dosages as needed."

"discharge planning"

The process of preparing a patient to leave hospital safely, coordinating follow-up care, medication, and support services before the patient goes home

"The social worker joined the multidisciplinary team to assist with discharge planning for the elderly patient who lived alone."

"handover"

The formal transfer of professional responsibility and accountability for a patient from one clinician or team to another

"A structured handover using the SBAR format — Situation, Background, Assessment, Recommendation — ensured critical information was communicated at shift change."

"nil by mouth"

A clinical instruction prohibiting a patient from eating or drinking anything, typically used before surgery or when there is a risk of aspiration

"The patient was placed nil by mouth from midnight in preparation for her 8 a.m. laparoscopic procedure."

"triage"

The process of sorting patients according to the urgency of their medical need to ensure the most critical cases are treated first

"The emergency nurse used the Manchester Triage System to classify the patient as urgent, warranting medical review within 30 minutes."

"multidisciplinary team"

A group of healthcare professionals from different specialities — such as physicians, nurses, physiotherapists, and social workers — who collaborate to manage a patient's care

"The multidisciplinary team meeting for oncology patients included surgeons, oncologists, radiologists, and palliative care nurses to agree on a treatment plan."

"escalation"

The process of rapidly involving more senior clinical staff or a specialised team when a patient's condition deteriorates or a concern arises

"The junior doctor used the hospital's early warning score protocol to trigger escalation when the patient's blood pressure dropped suddenly."

"clinical deterioration"

A worsening of a patient's physiological status that may indicate progression of disease or the development of a new complication

"Early recognition of clinical deterioration through regular observation charts is a key patient safety priority in acute care settings."

"incidence rate"

The number of new cases of a disease that develop in a defined population over a specified period of time

"The incidence rate of type 2 diabetes in the region rose by 15% over the past decade, reflecting worsening lifestyle factors."

"prevalence"

The total proportion of a population that has a particular condition at a specific point in time or over a defined period

"The cross-sectional survey estimated the prevalence of hypertension among adults over 40 at 36%, higher than the national average."

"herd immunity"

The indirect protection against an infectious disease that occurs when a large proportion of a population has become immune, through vaccination or prior infection

"Epidemiologists calculated that a vaccination coverage of 95% was required to achieve herd immunity against measles in the community."

"outbreak investigation"

A systematic process of identifying the source, cause, and extent of an unexpected increase in the number of cases of a disease in a specific area or population

"The public health team launched an outbreak investigation after seven cases of E. coli infection were linked to the same catering company within two weeks."

"risk factor"

An attribute, exposure, or behaviour that increases the probability of developing a disease or adverse health outcome

"Smoking remains the leading modifiable risk factor for lung cancer, bladder cancer, and chronic obstructive pulmonary disease."

"randomised controlled trial"

A study design in which participants are randomly assigned to a treatment group or a control group to measure the effect of an intervention, considered the highest level of clinical evidence

"The landmark randomised controlled trial demonstrated that the new antihypertensive drug reduced the risk of stroke by 25% compared with placebo."

"morbidity and mortality"

Two key public health measures: morbidity refers to the rate of illness or disability in a population, and mortality refers to the rate of death

"The government's health strategy aimed to reduce the morbidity and mortality associated with cardiovascular disease through population-level dietary interventions."

"screening programme"

An organised public health initiative that tests asymptomatic individuals in a defined population to identify those at high risk of or already affected by a disease

"The national bowel cancer screening programme invites all adults aged 50 to 74 to complete a faecal immunochemical test every two years."