Podstawy medycznego angielskiego | Foundations of Medical English

Importance of Precise Communication in Healthcare

In the field of healthcare, communication is a critical element of patient care. Misunderstandings or ambiguity in communication can lead to serious consequences. Imagine a situation where a nurse administers a medication based on an unclear prescription, or a surgeon misinterprets a medical term during a procedure. These scenarios illustrate the vital importance of precise communication in healthcare.

Examples of Misinterpreted Scripts1

To make you understand how important precise communication really is here are real-world examples of handwritten orders that caused or came close to causing medical errors:

“6u” was misread as “60” and the patient was given 60 units of insulin instead of 6.
Similarly “10u” of Humulin regular was incorrectly interpreted as “100.”
In this situation a decimal point error caused “.5” to be initially misunderstood as “15.” This error happened because a zero was missing before the decimal point.
Here “sub q” was misinterpreted as “neb,” which led to the dose being given using a nebulizer.

Medical terminology is the language of healthcare professionals. It’s a specialized vocabulary used to communicate accurately and effectively. In the medical world, clarity and precision can be a matter of life and death. Using standardized medical terminology ensures that healthcare providers understand each other and the care they provide is consistent and safe.

How Medical Terminology is Consistent and Efficient

One of the remarkable features of medical terminology is its consistency and efficiency. It’s a language designed for clarity and brevity. Despite the initial perception that medical terms may seem complex or lengthy, they are actually incredibly efficient. Let’s take the example of the term “gastroduodenostomy.” This single word communicates the entire phrase “a communication between the stomach and the first part of the small intestine.” This brevity not only saves time but also reduces the chances of misinterpretation.

Medical terminology is also uniform across the globe. Whether you’re in the United States, Europe, Asia, or any other part of the world, the terms used are consistent. This uniformity is largely due to the historical influence of Greek and Latin words.

The Role of Greek and Latin Words in Medical Language

Medical terminology relies heavily on Greek and Latin roots, prefixes, and suffixes. Why these ancient languages? Both Greek and Latin have played pivotal roles in the development of modern scientific and medical knowledge.

  • Greek: Greek was the language of scholars and philosophers in ancient times. It’s rich in terms related to philosophy, mathematics, and the natural sciences. This makes it ideal for many medical concepts. For instance, the word “cardiology” comes from the Greek word “kardia,” which means “heart.” The root “kardia” is essential in various cardiac-related terms.
  • Latin: Latin, the language of the Roman Empire, contributed to medicine through the works of famous physicians like Galen. It provided the foundation for modern anatomical terminology. Words like “pulmonary” (related to the lungs) come from the Latin word “pulmo.”

Greek and Latin not only offer historical credibility but also consistency and clarity in the formation of medical terms. The use of these classical languages is an integral part of medical terminology and contributes to its precision and uniformity.

In this lesson, we’ve introduced the importance of precise communication in healthcare, the efficiency and consistency of medical terminology, and the role of Greek and Latin words in medical language. As you delve deeper into the world of medical terminology, you’ll discover how these elements come together to create a language that is both fascinating and essential for healthcare professionals.

Sources:

  1. ISMP reports. Images modified by OpenMD for display clarity.

Introduction to Medical Terminology

Medical terminology forms the foundation of effective communication within the healthcare field. Comprehensive understanding of Medical Terminology is essential for healthcare professionals to convey precise information about diseases, conditions, treatments, and anatomy. 

Key Components of Medical Terms:

  1. Root Words: These are the core words that provide the basic meaning. For example, “cardio” refers to the heart.
  2. Prefixes: Added at the beginning of a root word, they modify or qualify its meaning. For instance, “pre-” means before, so “precardiac” relates to before the heart.
  3. Suffixes: Placed at the end of a root word, they can indicate a condition, disease, procedure, or part of speech. For example, “itis” denotes inflammation, so “tonsillitis” is inflammation of the tonsils.

Putting it Together:

Let’s consider the term “cardiologist”:

  • Root Word: Cardio (heart)
  • Suffix: -ologist (one who studies or specializes in)

Combining these, a “cardiologist” is a medical professional specializing in the study and treatment of heart-related conditions.

Practical Application:

Imagine a patient with “hypertension”:

  • Root Word: Tension (pressure)
  • Prefix: Hyper- (excessive)

Putting it together, “hypertension” refers to abnormally high blood pressure.

Root Word 

Root Words in Medical Terminology

Most medical terms have a base called a ‘root word’ which carries the main meaning of the term. To make these terms more precise, we often add beginnings (prefixes) and endings (suffixes). 

Most Common Root Words in Medical English:

Root WordMeaningExample
CardioHeartCardiovascular (related to the heart and blood vessels)
DermSkinDermatology (study and treatment of skin disorders)
GastroStomachGastroenterology (study of the digestive system)
HemoBloodHematology (study of blood and its disorders)
NeurNerveNeurology (study of the nervous system)
OsteoBoneOsteoporosis (condition of weak and brittle bones)
PneumoLungs or AirPneumonia (lung inflammation)
Carcinocancercarcinogenic (cancer causing)
RenKidneyRenal (related to the kidneys)
OpthalmEyeOphthalmology (study and treatment of eye disorders)

Prefixes 

Prefixes are added at the beginning of a word, altering its meaning. For example, “anti-” means against, as seen in “antibiotic” (against bacteria).

Most Common Prefixes in Medical English:

Quantity and Number:

PrefixMeaningExample
Bi-Two; doubleBifocal
Mono/UniOne; singleMonocular
Tri-ThreeTricycle

Size and Amount:

PrefixMeaningExample
Acro-Top; extremitiesAcromegaly
Macro-LargeMacroscopic
Micro-, Micr-Tiny; smallMicroscope
Hemi-Half; half ofHemicycle

Time:

PrefixMeaningExample
Ante-BeforeAntedate
Post-AfterPostoperative
Pre-, Pro-In front of; beforePrenatal

Relations:

PrefixMeaningExample
Co-, Con-, Com-Together; withConjoined
Inter-BetweenIntercostal
Intra-Within; inIntramuscular

Direction and Position:

PrefixMeaningExample
Ab-Away fromAbduction
Ad-TowardAdduction
Ante-Before; forwardAntenatal
Anti-, Anter-Opposing; againstAntisocial
Bi-Two; doubleBifocal
Ecto-OutsideEctopic
Extra-, Extro-Beyond; outside ofExtracellular
Hyper-Above; excessive; beyondHypertension
Hyp-, Hypo-Below; beneath; deficientHypothermia
Inter-BetweenIntercostal
Intra-Within; insideIntravenous
Post-After; following; behindPostoperative
Retro-Behind; backwardRetrograde
Trans-Through or acrossTransdermal

Suffixes

Suffixes are added at the end of words to change their meaning or grammatical category. For instance, “-itis” signifies inflammation as in “bronchitis” (inflammation of the bronchial tubes).

Pertaining to

SuffixMeaningExample
-aryPertaining toPulmonary (pertaining to lungs)
-icPertaining toCardiac (pertaining to the heart)

Process/Action

SuffixMeaningExample
-ationProcessRespiration (process of breathing)
-ationProcessOvulation (process of releasing an egg)
-ingActionBreathing (action of inhaling and exhaling)
-ingActionWalking (action of moving on foot)

Condition/State

SuffixMeaningExample
-itisInflammationArthritis (inflammation of joints)
-osisConditionOsteoporosis (condition of weak bones)
-emiaConditionAnemia (condition of low red blood cells)

Person/Occupation

SuffixMeaningExample
-istPersonCardiologist (a person specialized in cardiology)
-icianPersonPediatrician (a person specialized in pediatrics)

Instrument/Device

SuffixMeaningExample
-scopeInstrumentEndoscope (instrument for internal examination)
-graphInstrumentElectrocardiograph (instrument for recording heart activity)

Pertaining to Study/Science

SuffixMeaningExample
-logyStudy/ScienceBiology (study of living organisms)
-icsStudy/SciencePhysics (study of matter and energy)

Process/Condition

SuffixMeaningExample
-phobiaConditionArachnophobia (fear of spiders)
-philiaConditionHemophilia (a medical condition)

Size/Comparison

SuffixMeaningExample
-megaLargeMegacolon (enlarged colon)
-microSmallMicroorganism (a tiny organism)

Others

SuffixMeaningExample
-pathyDiseaseNeuropathy (disease of the nervous system)
-ectomySurgical removalAppendectomy (removal of the appendix)
-plastySurgical repairRhinoplasty (surgical repair of the nose)

Podstawy anatomii: płaszczyzny, kierunki i ruchy | Foundations of Anatomy: Planes, Directions, and Movements

Directional Terms: Navigating the Anatomy of Precision

As we have established in the previous lesson in the realm of anatomy and medicine, effective communication is non-negotiable. In a field where precision can quite literally be a matter of life or death, the use of standardized directional terms becomes an indispensable tool. These terms enable healthcare professionals to precisely describe the location and orientation of body structures, ensuring clarity and accuracy in diagnoses, treatment plans, and medical procedures.

Let’s dive into some common directional terms that form the very foundation of this anatomical language:

Directional TermDefinition
AnteriorThe front or the direction towards the front of the body. For example, the chest is on the anterior side of your body.
PosteriorThe back or the direction towards the back of the body. The spine is an example of a posterior structure.
SuperiorDesignates a position above or higher than another part of the body. For instance, the eyes are superior to the mouth.
InferiorMeans a position below or lower than another body part. Your feet, for example, are inferior to your head.
LateralPoints to the side, specifically the direction towards the side of the body. Your thumb is a lateral digit when compared to your other fingers.
MedialSignifies the middle or the direction towards the middle of the body. Your big toe, or hallux, is located on the medial side of your foot.
ProximalRefers to a position in a limb that is nearer to the point of attachment or closer to the trunk of the body. For instance, your upper arm is proximal to your forearm.
DistalDenotes a position in a limb that is farther from the point of attachment or more distant from the body’s trunk. Your lower leg, the crus, is distal to your thigh.
“OpenStax AnatPhys fig.1.13 – Directional Terms Applied to the Human Body – English labels” by OpenStax, license: CC BY. Source: book ‘Anatomy and Physiology’, https://openstax.org/details/books/anatomy-and-physiology.

These directional terms are invaluable in describing the locations of body structures with precision. They eliminate ambiguity and ensure that healthcare professionals around the world speak the same anatomical language. For instance, a physician can accurately communicate the location of a patient’s pain, a surgeon can precisely plan an incision, and a radiologist can interpret the position of a tumor in a scan. Directional terms provide a universal framework that is essential for effective medical practice, making them an essential foundation of medical language.

Body Planes: Slicing Through the Anatomy of Structure

In the world of medicine and anatomy, understanding the body’s internal structure requires a navigational framework that goes beyond words. Enter the concept of body planes, which provide a set of imaginary sections or slices through the human body. These planes are indispensable in describing anatomical features, and they play a pivotal role in various medical imaging techniques.

Here, we’ll explore the three most common anatomical planes and how they’re vital in medical imaging and anatomical descriptions:

Most Common Anatomical Planes:

Body PlaneDescription
Sagittal PlaneA vertical plane that divides the body into left and right halves.
Frontal Plane (Coronal)A vertical plane that divides the body into anterior (front) and posterior (back) halves.
Transverse PlaneA horizontal plane that creates upper (superior) and lower (inferior) sections.
“OpenStax AnatPhys fig.1.14 – Planes of the Body – English labels” by OpenStax, license: CC BY. Source: book ‘Anatomy and Physiology’, https://openstax.org/details/books/anatomy-and-physiology.

Understanding Anatomical Movements:

Anatomical movements involve bones or body parts moving around fixed joints relative to the main anatomical axes (sagittal, coronal, frontal, etc.) or planes parallel to them. The template for anatomical movements includes:

Key Anatomical Movements:

Now, let’s explore some key anatomical movements and their definitions:

MovementDefinition
FlexionBending or decreasing the angle between two body parts.
ExtensionStraightening or increasing the angle between body parts.
AbductionMoving away from the reference axis (e.g., away from the midline of the body).
AdductionBringing closer to the reference axis (e.g., towards the midline of the body).
ProtrusionMoving forward.
RetrusionMoving backward.
ElevationMoving superiorly to the reference axis (e.g., lifting a body part upwards).
DepressionMoving inferiorly to the reference axis (e.g., lowering a body part downwards).
Lateral RotationRotation away from the midline.
Medial RotationRotation toward the midline.
PronationMedial rotation of the radius, resulting in the palm of the hand facing posteriorly (if in anatomical position) or inferiorly (if the elbow is flexed).
SupinationLateral rotation of the radius, resulting in the palm of the hand facing anteriorly (if in anatomical position) or superiorly (if the elbow is flexed).
CircumductionA combination of flexion, abduction, extension, and adduction.
DeviationUlnar and radial abduction of the wrist.
OppositionBringing the thumb in contact with a finger.
RepositionSeparating the thumb from the digits.
InversionTurning the plantar side toward the medial plane.
EversionTurning the plantar side away from the medial plane.
“OpenStax AnatPhys fig.9.12 – Body Movements(Page 1) – English labels” by OpenStax, license: CC BY. Source: book ‘Anatomy and Physiology’, https://openstax.org/details/books/anatomy-and-physiology.
“OpenStax AnatPhys fig.9.13 – Body Movements(Page 2) – English labels” by OpenStax, license: CC BY. Source: book ‘Anatomy and Physiology’, https://openstax.org/details/books/anatomy-and-physiology.

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