Registered nurses are the backbone of hospital care, responsible for everything from monitoring vital signs and administering medications to coordinating with doctors, therapists, and social workers on a patient’s behalf. Their work spans clinical hands-on tasks, communication across an entire healthcare team, patient education, and extensive documentation. Here’s what that looks like in practice.
Bedside Patient Assessment
The most fundamental part of a hospital RN’s job is assessing patients. This starts at the beginning of every shift and continues throughout the day. Nurses check vital signs like blood pressure, heart rate, oxygen levels, and temperature. They listen to heart and lung sounds, examine surgical sites or wounds, and ask patients about their pain levels, appetite, and mental state. These assessments aren’t just routine checkboxes. They’re how nurses catch problems early, often before a patient even realizes something has changed.
When a nurse notices a shift in a patient’s condition, whether it’s a new fever, a drop in blood pressure, or sudden confusion, they’re responsible for reporting that information to the physician promptly. Nurses use a structured communication format to relay these updates: who the patient is, what’s changed, what the relevant history looks like, and what they think should happen next. This role as the first set of eyes on a developing problem is one of the most critical things RNs do.
Medications, IVs, and Hands-On Procedures
Hospital nurses administer medications through multiple routes: by mouth, through IV lines, via injection, and sometimes through specialized pumps that let patients control their own pain relief. Setting up and managing IV lines is a daily task, including priming tubing, programming infusion pumps to deliver fluids at precise rates, and adding secondary medications through the same line.
Beyond medications, RNs perform a wide range of hands-on clinical procedures. These include drawing blood, inserting urinary catheters, changing wound dressings, managing surgical drains, and performing various types of suctioning for patients who can’t clear their own airways. Nurses also operate oxygen delivery equipment (nasal cannulas, different types of masks), run blood sugar checks with glucometers, perform 12-lead EKGs to assess heart rhythm, and manage devices like compression boots that prevent blood clots in immobile patients.
Each of these tasks requires not just technical skill but clinical judgment. A nurse doesn’t simply give a medication because it’s on the schedule. They verify the dose is appropriate, check for allergies, assess whether the patient’s current condition makes the medication safe to give, and monitor for side effects afterward.
Coordinating Care Across the Team
Patients in a hospital rarely see just one doctor. Their care might involve specialists, physical therapists, speech therapists, occupational therapists, social workers, dietitians, and case managers. The nurse is typically the person who ties all of this together. During a single shift, an RN might relay new lab results to the attending physician, flag a mobility concern for the physical therapist, and alert a social worker that a patient’s living situation has changed and discharge planning needs to be adjusted.
Nurses also identify when a patient would benefit from an interdisciplinary care conference, a meeting where all the relevant providers sit down together to map out a coordinated plan. If a patient’s needs go beyond what the hospital team can address, nurses advocate for referrals to community resources and social services. This coordination role is largely invisible to patients, but it’s what keeps hospital care from becoming fragmented.
Patient Education and Discharge Planning
Teaching patients about their own health is woven into nearly every interaction a nurse has. This might mean explaining what a new medication does and why it matters, walking a post-surgical patient through wound care steps, or helping someone with a new diabetes diagnosis understand blood sugar monitoring. The goal is always the same: making sure the patient can manage their condition after they leave the hospital.
Discharge planning is where this teaching becomes especially high-stakes. Before a patient goes home, the nurse ensures they understand their medications, know what follow-up appointments to schedule, recognize warning signs that should bring them back to the hospital, and have realistic plans for daily activities like bathing and cooking. Hospitals take this seriously because the quality of discharge planning directly affects whether patients end up readmitted within 30 days, a metric that influences hospital reimbursement from Medicare and Medicaid. Nurses often use printed educational materials generated from the electronic health record, covering the diagnosis, prescribed medications, and key test results from the hospital stay.
Documentation in Electronic Health Records
A significant portion of every shift goes toward documentation. Hospital nurses work within electronic health record systems and are responsible for updating several key components. Flowsheets capture vital signs, fluid intake and output, physiological assessments, and treatment details like wound care. Medication administration records track every drug given, including the time, dose, and route. Care plans outline nursing-specific goals for the patient and get updated as the patient’s condition evolves. Nursing notes document patient interactions, changes in status, and communications with other providers. Admission, discharge, and transfer records track the patient’s movement through the hospital from arrival to departure.
This documentation serves multiple purposes. It creates a legal record of care, ensures the next nurse on shift knows exactly what happened, allows physicians and therapists to see the full picture, and supports billing. It’s also one of the most time-consuming parts of the job, and nurses in acute and critical care units often cite documentation burden as a major challenge of their workday.
Advocacy and the Human Side of Care
Hospital patients are often at their most vulnerable. They may be in pain, confused, frightened, or unable to speak for themselves. Nurses serve as advocates in ways that don’t show up on a skills checklist. They notice when a patient seems undertreated for pain and push for a medication adjustment. They catch it when a family member mentions something important that hasn’t made it into the medical record. They make sure a patient who doesn’t speak English gets an interpreter, or that a patient’s cultural preferences around food or modesty are respected.
This advocacy extends to the practical realities of what happens after hospitalization. When a nurse learns that a patient lives alone and won’t have help at home, or that a family’s living arrangements have recently changed, they loop in social workers to arrange home health services, rehabilitation placement, or other support. The nurse’s constant bedside presence puts them in the best position to catch these details and act on them, connecting the clinical plan to the patient’s actual life.