2.3 Standard Precautions

Standard Precautions

Quick Answer: Standard Precautions apply to all patients. You use hand hygiene, PPE based on anticipated exposure, respiratory hygiene support, sharps awareness, and environmental cleaning—without waiting for a lab result or isolation sign. Transmission-Based Precautions are additional layers, not a replacement.

Standard Precautions are the foundation of safe EVS practice and a frequent CHEST testing area.

Why “Standard” Means Everyone

Patients can be colonized or infectious before anyone knows. Waiting for a confirmed diagnosis creates a window for exposure. Standard Precautions assume that blood, body fluids, secretions, excretions (except sweat in classic teaching), non-intact skin, and mucous membranes may contain infectious agents—regardless of whether the patient “looks sick.”

For EVS, that means:

• Treat every room as potentially contaminated at high-touch points
• Use PPE when you reasonably expect contact with soil, fluids, or chemicals that require protection
• Clean and disinfect according to routine protocols even when no isolation card is posted
• Stay alert for unexpected hazards (used sharps in bedding, fluid spills under the bed)

Core Elements of Standard Precautions (EVS View)

Hand Hygiene Within Standard Precautions

Hand hygiene is listed first for a reason. Contaminated hands (or gloves treated as permanent skin) move pathogens from reservoirs to new portals of entry. Section 2.4 details technique and moments; for Standard Precautions, remember:

• Perform hand hygiene before donning gloves when required by policy and always after removing gloves
• Perform hand hygiene after contact with soiled surfaces and waste
• Do not walk from a dirty task to a clean supply area with contaminated hands

PPE Based on Anticipated Exposure

Standard Precautions do not mean “full PPE for every task” or “no PPE ever.” They mean match protection to the risk of the task:

• Gloves: When hands may contact blood/body fluids, mucous membranes, non-intact skin, contaminated surfaces, or chemicals that require glove use
• Gown: When clothing may be soiled by fluids or during tasks with splash/spray risk or as required by isolation/policy
• Mask / eye protection: When splash or spray to face is reasonably anticipated (for example, certain cleaning tasks, toilet bowl work with splash risk, or as posted)

Exam trap: Choosing PPE only after you already got wet or soiled. Anticipation happens before the task starts. Another trap: wearing the same gloves from a bathroom deep clean to handling clean linen or your phone.

Respiratory Hygiene

Respiratory hygiene (cough etiquette) includes covering coughs, using tissues, hand hygiene after contact with respiratory secretions, and mask use when indicated. EVS supports this by:

• Following facility mask policies in clinical areas during respiratory seasons or outbreaks
• Not lingering unprotected in a patient’s direct cough path when avoidable
• Cleaning high-touch surfaces that receive respiratory droplet contamination

Sharps in the Environment — EVS Awareness

Nurses and providers own injection technique. EVS owns environmental safety when sharps are lost or discarded wrong:

• Do not compact trash with hands or feet
• Do not reach into red bags or under mattresses blindly
• Use mechanical means (forceps/grabber) per policy if you must move a visible sharp to a sharps container—or stop and call for help if unsafe
• Report needle-stick or sharps injury immediately and follow post-exposure steps

Found sharps are a Standard Precautions issue even when the patient has no known bloodborne pathogen diagnosis—because status may be unknown.

Environmental Cleaning as a Standard Precaution

Routine environmental cleaning is not optional “extra credit.” Under Standard Precautions, surfaces and objects that are frequently touched must be cleaned and disinfected on a schedule and when visibly soiled. Your systematic room process—high-touch emphasis, correct chemicals, contact time—is how EVS operationalizes this element.

Standard vs Transmission-Based Precautions (Overview)

Think of two layers:

1. Standard Precautions — always on, every patient, every time.
2. Transmission-Based Precautions — added when a known or suspected infection needs extra barriers:
   • Contact Precautions — emphasize gown/gloves and dedicated equipment/environment measures for organisms spread by touch
   • Droplet Precautions — add mask (and other measures) for large respiratory droplets
   • Airborne Precautions — specialized room controls and respiratory protection as required

Critical rule: Transmission-Based Precautions are used in addition to Standard Precautions, never instead of them. A patient on Contact Precautions still requires hand hygiene, careful environmental cleaning, and basic exposure controls.

Detail on isolation categories, PPE selection matrices, and donning/doffing sequences belongs in the next chapter. For CHEST foundations, be able to:

• Define Standard Precautions as universal baseline
• List main elements relevant to EVS
• State that you do not wait for diagnosis to use the baseline
• Contrast “always” (Standard) vs “when indicated” (Transmission-Based)

Realistic Standard Precautions Scenarios

• No sign on the door: You still perform hand hygiene, wear gloves for toilet cleaning, and disinfect high-touch surfaces.
• Patient starts coughing during cleaning: You step out of the direct path, follow unit mask guidance, and complete surface work with appropriate protection.
• You find a used needle in the sheets: You stop, do not grab with bare hands, secure the area, and follow facility sharps response—Standard Precautions for an unknown source.

Section Recap

Standard Precautions protect everyone by treating all patients as potentially infectious for blood and body fluid exposure. EVS applies them through hand hygiene, exposure-based PPE, respiratory awareness, sharps vigilance, and environmental cleaning. Isolation categories add Transmission-Based measures on top—they never turn Standard Precautions off.