Sonography Principles, Ergonomics, and Clinical Practice

Comprehensive practice vocabulary flashcards covering Chapter 4 (Ergonomics, Work-Related Injuries, and Stress in Sonography) and Chapter 6 (Sonographer Scope of Practice, Duties, Positions, and Imaging Techniques).

Abduction

Movement of a limb away from the body.

Burnout

A state of mental or physical exhaustion caused by excessive and prolonged stress.

Bursitis

Inflammation of one or more bursae in the body.

Carpal tunnel syndrome

A condition occurring when there is compression of the median nerve that produces numbness and radiating pain in the radial-palmar aspect of the hand.

Clavicle

A bone that connects the scapula to the sternum; also known as the collarbone.

Compassion fatigue

Lessening or loss of sympathy for the misfortune of others, caused by overwork and excessive emotional demands.

De Quervain disease

A painful inflammation of the tendons on the thumb side of the wrist.

Ergonomics

The science of work; removes barriers to quality, productivity, and safe human performance by fitting products, tasks, and environments to people.

Extension

The increasing or straightening of the angle at a joint.

Flexion

Decreasing of the angle at a joint.

Force

Strength or power exerted upon a person usually causing them to do something against their will.

Musculoskeletal injuries (MSIs)

Injuries of the muscles, nerves, tendons, ligaments, joints, cartilage, and spinal disk caused by physical work activities or workplace conditions; a major concern for sonographers.

Nonsteroidal anti-inflammatory drug (NSAID)

A special class of drugs that reduce inflammation and relieve pain, including aspirin, ibuprofen, and naproxen, but not acetaminophen.

Occupational Safety and Health Administration (OSHA)

An agency created in 1971 to ensure safe and healthy working conditions for workers by enforcing workplace laws and standards, and by providing training, outreach, education, and assistance.

Plantar fasciitis

Inflammation of the plantar fascia that results in pain in the heel.

Repetitive strain injuries (RSIs)

Injury to the musculoskeletal and nervous systems that may be caused by repetitive tasks, forceful exertions, or sustained or awkward positions.

Resource inadequacy

Exists where there is a lack of sufficient resources to perform work duties properly.

Role ambiguity

Occurs when a person is unclear or uncertain about the expectations of their role in the workplace, arising when the job description is vague or ill-defined.

Tarsal tunnel syndrome

Results from compression or squeezing on the posterior tibial nerve that produces symptoms anywhere along the path of the nerve, running from the inside of the ankle into the foot.

Tendonitis

An inflammation or irritation of a tendon, the thick cord that attaches bone to muscle, commonly caused by repetition of a particular movement over time, such as scanning.

Synovium

The fluid-filled sheath that surrounds a tendon.

Tenosynovitis

Inflammation of the fluid-filled sheath, the synovium, that surrounds a tendon; symptoms include pain, swelling, and difficulty moving the joint.

Thoracic outlet syndrome

A group of disorders that occur when blood vessels or nerves in the space between the clavicle and the first rib are compressed.

Trigger finger

A condition in which the finger gets stuck in a bent position and may straighten with a snap, like a trigger being pulled and released; repeated and strong movements such as holding a transducer and scanning may lead to this.

Nonergonomic ultrasound equipment and workstations

Ultrasound equipment and computer workstations that lack ergonomic features, serving as a workplace cause of musculoskeletal and repetitive strain injuries.

Crowded scanning areas or small rooms

Confined physical scanning environments that restrict sonographer posture and movement, predisposing them to injury.

Awkward postures while scanning

Non-neutral body positions maintained during examinations that contribute directly to sonographer musculoskeletal and repetitive strain injuries.

Awkward static and dynamic arm positions

Unfavorable stationary or moving upper limb postures held during ultrasound scanning that cause muscle fatigue and strain injuries.

Excessive transducer grip force

The use of excessive mechanical force when gripping a transducer, identified as a leading workplace cause of repetitive strain injuries.

Day-long repetition of the same types of scans

Performing identical ultrasound examination procedures continuously throughout an entire workday without variation.

Reaching injuries

Musculoskeletal strain resulting from reaching across patients or workstations during scanning examinations.

Prolonged standing in sonography

Remaining on one's feet for long durations during ultrasound examinations, serving as a workplace cause of lower back and lower extremity injury.

Frequency and duration of ultrasound examinations

The excessive volume and long scanning durations of ultrasound examinations that increase physical strain on sonographers.

Insufficient rest/breaks during workday

The lack of adequate rest intervals during a shift, preventing soft tissue recovery and contributing to repetitive strain injuries.

Sciatica

Irritation or compression of the sciatic nerve, listed as a common work-related injury among sonographers.

Shoulder bursitis

Inflammation of the shoulder bursa, identified as a common work-related sonographer injury.

Epicondylitis

Inflammation of the tendons surrounding the elbow, categorized as a common work-related sonographer injury.

Tension neck syndrome

A chronic neck strain and pain disorder common among sonographers, associated with improper neck postures.

Rotator cuff syndrome

Pathology or injury of the rotator cuff muscles and tendons, commonly resulting from sustained shoulder abduction and reaching.

Specific postures: Neck flexion, extension, and side bending

Cervical spine postures specifically associated with musculoskeletal injury in sonographers.

Specific postures: Shoulder abduction and flexion

Upper extremity postures involving raising the arm away from or in front of the body that are associated with shoulder injury.

Specific postures: Hand and wrist deviation

Postures including flexion, extension, and ulnar/radial deviation, as well as gripping the transducer firmly and applying excessive pressure, linked to hand and wrist injury.

Specific postures: Waist twisting and static posture

Trunk postures involving twisting at the waist and holding stationary positions, associated with lower back injury.

Muscle cramping

Sudden, involuntary muscle contractions identified as a sign and symptom of a developing musculoskeletal injury.

Decreased grip strength

A measurable reduction in the power of hand grasp, serving as a symptom of developing musculoskeletal damage.

Decreased range of motion (ROM)

A reduction in the normal mobility or flexibility of a joint, indicating an emerging musculoskeletal injury.

Loss of muscle function

Impaired activation and mechanical control of affected muscles resulting from work-related injury.

Hand or wrist shaking

Involuntary tremors or trembling of the hand or wrist resulting from muscle fatigue and strain during scanning.

Tingling and burning

Paresthetic sensations that signal developing nerve irritation or compression associated with musculoskeletal injuries.

Common upper extremity tendonitis sites

The most common upper extremity regions for tendonitis: shoulder, rotator cuff, biceps, elbow, wrist, and fingers.

Common lower extremity tendonitis sites

The most common lower extremity regions for tendonitis: leg, knee, ankle, and foot.

Flat feet in tarsal tunnel syndrome

A structural foot deformity characterized by collapsed arches, recognized as a cause of tarsal tunnel syndrome.

Varicose veins in tarsal tunnel syndrome

Enlarged and twisted veins that can exert pressure on the posterior tibial nerve, causing tarsal tunnel syndrome.

Ganglion cysts in tarsal tunnel syndrome

Benign fluid-filled sacs that can compress the posterior tibial nerve in the tarsal tunnel.

Bone spurs in tarsal tunnel syndrome

Bony outgrowths that can impinge upon the posterior tibial nerve within the tarsal tunnel.

Systemic disease in tarsal tunnel syndrome

Generalized medical disorders identified as underlying causes of tarsal tunnel syndrome.

Ice pack water-to-alcohol ratio

A therapeutic cold pack preparation made by combining 2 parts water with 1 part rubbing alcohol.

Ice pack treatment duration

The recommended application duration of $15\text{–}20\text{ mins}$ when using an ice pack for musculoskeletal symptoms.

Ice pack rest duration

The mandatory rest period of $40\text{ mins}$ between ice pack applications.

Awareness (injury avoidance step 1)

The first step in avoiding musculoskeletal injury, involving conscious recognition of physical strain and risks.

Behavior modification (injury avoidance step 2)

The second step in avoiding musculoskeletal injury, focusing on altering harmful habits and physical actions.

Mandatory breaks (injury avoidance step 3)

The third step in avoiding injury, establishing structured rest periods throughout the workday.

Modify scanning techniques (injury avoidance step 4)

The fourth step in avoiding injury, adjusting transducer grip, body mechanics, and positioning during examinations.

Evaluation by PT (injury avoidance step 5)

The fifth step in avoiding injury, undergoing professional physical therapy assessment and rehabilitation.

The 20-20-20 rule

An ergonomic practice requiring that every $20\text{ min}$ of scanning, one looks $20\text{ ft}$ away for $20\text{ secs}$.

Reluctance to take time off when injured

A psychosocial cause of sonographer injury where practitioners avoid taking necessary sick leave.

Willingness to sacrifice body for patients

A psychosocial attitude where sonographers prioritize patient examination completion over their personal physical health.

Reluctance to complain about heavy workload

A psychosocial factor where sonographers hesitate to voice concerns regarding unmanageable scan volumes.

Fear of jeopardizing job for speaking up

A psychosocial barrier where workers endure painful conditions due to apprehension about losing employment.

Patient loyalty vs policy conflict

A symptom of compassion fatigue characterized by an internal conflict between patient devotion and clinical policy.

Constantly thinking of work

An intrusive inability to disconnect mentally from occupational responsibilities during personal time, signaling compassion fatigue.

Emotional detachment

A psychological symptom of compassion fatigue characterized by numbing or withdrawal of emotional empathy.

Unusual emotional reactions

Uncharacteristic behavioral outbursts or mood responses in the workplace, indicating compassion fatigue.

Grief over loss of ideals

A sense of sorrow and disillusionment when professional and ethical ideals are eroded by workplace demands.

Cynicism

A jaded, distrustful, and negative attitude toward work, colleagues, and patients, representing a symptom of compassion fatigue.

Isolation and hopelessness

Severe psychological withdrawal accompanied by feelings of despair, listed as symptoms of compassion fatigue.

Professional boundaries

Limits established between caregiver and patient to maintain objective care and prevent compassion fatigue.

Empathize but detached

A recommended strategy for combating compassion fatigue by demonstrating compassionate understanding while maintaining emotional detachment.

Maintaining healthy habits

A core personal management strategy involving proper nutrition, rest, and exercise to combat compassion fatigue.

Discussing fatigue at meetings

A departmental strategy of openly talking about physical and emotional exhaustion during clinical meetings.

Recognizing triggers

Identifying specific workplace events, interactions, or workloads that provoke acute emotional or physical exhaustion.

Knowing your limits

Understanding one's personal physical and psychological thresholds to prevent overload and injury.

De Quervain disease presentation

Painful inflammation of the tendons on the thumb side of the wrist, also known as tenosynovitis.

De Quervain disease symptoms

Discomfort turning the wrist, difficulty grasping/pinching, and swelling near the thumb base.

Neck injury causes in sonographers

Turning and bending the neck during scanning procedures, leading to muscle strain and cervical pain.

Shoulder injury causes in sonographers

Reaching and holding the arm away from the body, resulting in rotator cuff problems and tendonitis.

Upper back muscle strain causes

Maintaining a prolonged forward lean and poor posture during ultrasound examinations.

Lower back injury causes in sonographers

Twisting, bending, prolonged sitting, and prolonged standing, resulting in lumbar strain and disc problems.

Elbow injury causes in sonographers

Repetitive arm movements and sustained gripping of the transducer, leading to tendonitis and nerve irritation.

Wrist injury causes in sonographers

Repetitive scanning and wrist deviation, precipitating carpal tunnel syndrome and de Quervain disease.

Hand injury causes in sonographers

Excessive gripping and transducer pressure, causing hand tendonitis and nerve compression.

Feet injury causes in sonographers

Prolonged standing and wearing inadequate footwear, leading directly to plantar fasciitis.

Ankle injury causes in sonographers

Compression of the posterior tibial nerve during prolonged weight-bearing, resulting in tarsal tunnel syndrome.

Ergonomic risk factors in sonography

Poor workstation setup, excessive scanning pressure, repetitive movements, lack of rest breaks, awkward positioning, long scanning hours, inadequate physical conditioning, and insufficient staffing.

Inadequate physical conditioning

Suboptimal muscular endurance and strength, identified as an intrinsic risk factor for sonographer musculoskeletal injuries.

Insufficient staffing

An organizational deficit that multiplies scanning demands and injury risks on existing clinical sonographers.

Workplace stress definition

Occurs when job demands exceed a person's ability and resources to manage them.

Workplace stress common causes

Heavy workloads, tight scheduling, long hours, lack of control over work, inadequate staffing, poor communication, difficult patients, insufficient equipment, emergency exams, and emotional demands of patient care.

Physical effects of workplace stress

Headaches, muscle tension, fatigue, increased heart rate, and sleep disturbances.

Mental effects of workplace stress

Anxiety, irritability, depression, burnout, reduced motivation, and difficulty concentrating.