Critical Care Nursing

Mechanical ventilation fundamentals for nurses — indications, key ventilator settings (FiO₂, PEEP, tidal volume, rate), terminology, nursing monitoring priorities, and ventilator-associated complications.

Hemodynamic monitoring fundamentals for nurses — MAP, CVP, cardiac output, cardiac index, SVR, and clinical interpretation basics for critical care and ICU practice.

Shock states for nurses — hypovolemic, cardiogenic, distributive, and obstructive shock: recognition, hemodynamic patterns, clinical findings, and treatment priorities.

Sepsis recognition and management for nurses — Sepsis-3 definition, septic shock, SIRS vs qSOFA screening, early recognition, sepsis bundle concepts, and nursing priorities.

Vasopressors and inotropes for ICU nurses — norepinephrine, epinephrine, dopamine, dobutamine, vasopressin, and phenylephrine mechanisms, MAP goals, shock state matching, and nursing monitoring priorities.

CRRT basics for ICU nurses — CVVH, CVVHD, and CVVHDF modalities explained, indications, fluid management, anticoagulation options, filter management, and nursing monitoring priorities.

ECMO fundamentals for ICU nurses — VA ECMO vs VV ECMO, circuit components, blood flow pathway, indications, complications including Harlequin syndrome, and nursing considerations.

Ventilator troubleshooting for ICU nurses — high pressure alarms, low pressure alarms, apnea alarms, DOPE mnemonic, patient-ventilator dyssynchrony, and step-by-step nursing response.

Neuro assessment guide for nurses — level of consciousness, orientation, pupil exam, motor and sensory assessment, cranial nerve screening, neuro check frequency, documentation priorities, and acute neurological deterioration recognition.

ICP monitoring and CPP guide for ICU nurses — intracranial pressure basics, CPP = MAP − ICP, normal values, causes of elevated ICP, Cushing's triad, nursing interventions, head positioning, and hyperosmolar therapy concepts.

Stroke nursing guide — ischemic vs hemorrhagic stroke, NIHSS overview, tPA and thrombectomy basics, nursing priorities, blood pressure management, and post-stroke monitoring for ICU and step-down nurses.

Seizure nursing guide — seizure classifications, status epilepticus recognition, nursing interventions, airway priorities, safety measures, postictal assessment, and continuous EEG overview for ICU and acute care nurses.

Tissue perfusion assessment nursing guide covering capillary refill, urine output, lactate, MAP targets, and recognizing compensating vs decompensating shock.

Central line nursing guide covering CVC types, the CLABSI prevention bundle, dressing and hub care, lumen flushing, air embolism, and post-insertion complications.

Arterial line nursing guide covering catheter purpose and sites, transducer leveling and zeroing, waveform components, dampening troubleshooting, and blood sampling.

Inotropes nursing guide covering dobutamine, milrinone, dopamine, epinephrine, and digoxin, with mechanisms, dosing considerations, and key safety priorities.

A systematic approach to reading arterial blood gases — pH, PaCO₂, HCO₃, respiratory vs metabolic causes, compensation basics, and a step-by-step interpretation method.

A systematic 6-step approach to arterial blood gas interpretation — assess pH, PaCO₂, HCO₃, determine the primary disorder, evaluate compensation, and assess oxygenation with clinical examples.

Metabolic acidosis vs alkalosis for nurses — causes, ABG findings, clinical manifestations, and nursing priorities for both metabolic acid-base disorders.

Respiratory acidosis vs alkalosis for nurses — hypoventilation vs hyperventilation, ABG findings, causes, and treatment priorities for both respiratory acid-base disorders.

Bedside electrolyte imbalance recognition for nurses — potassium, sodium, calcium, and magnesium: low vs high findings, ECG changes, and nursing priorities.

Electrolyte disorders for nurses — sodium, potassium, calcium, magnesium, and phosphate: normal ranges, causes of imbalance, clinical manifestations, treatment priorities, nursing monitoring, and IV safety considerations with NCLEX pearls.

Potassium disorders for nurses — transcellular shift physiology, hypokalemia causes and ECG changes, hyperkalemia ECG progression, treatment sequence, IV potassium safety rules, and NCLEX pearls.

Sodium disorders for nurses — SIADH, hyponatremia classification by volume status, osmotic demyelination syndrome correction rate safety, DI vs SIADH comparison, hypernatremia causes and treatment with NCLEX pearls.

Hypocalcemia (Chvostek and Trousseau signs, tetany, prolonged QT) vs hypercalcemia (bones, stones, groans, moans, shortened QT), causes, treatment, and IV calcium safety priorities.

Hypomagnesemia (hyperactive reflexes, torsades, refractory hypokalemia) vs hypermagnesemia (depressed reflexes, respiratory and cardiac depression), causes, reflex assessment, and the calcium gluconate antidote.

The calcium-phosphate inverse relationship, hypophosphatemia (refeeding syndrome, muscle weakness) vs hyperphosphatemia (CKD, phosphate binders), causes, treatment, and nursing priorities.

How nurses interpret common lab values, including critical value notification, trending vs isolated results, and correlating labs with clinical assessment findings.

Side-by-side comparison of six vasoactive agents — norepinephrine, epinephrine, dopamine, dobutamine, vasopressin, and phenylephrine by receptor profile, BP effect, HR effect, and common clinical uses.

Side-by-side comparison of the four major shock types — hypovolemic, cardiogenic, distributive, and obstructive — with cause, hemodynamic profile, clinical findings, and treatment priorities.

ICU-focused comparison of the four core invasive ventilator modes — AC, SIMV, pressure support, and CPAP — with typical ICU use, advantages, limitations, and what to monitor at the bedside.

Quick-reference table of core hemodynamic parameters — MAP, CVP, CO, CI, SVR, and SVV — with normal ranges, units, and clinical significance for ICU nursing practice.

Side-by-side comparison of RASS and SAS sedation scales — scale ranges, score interpretation, target ranges, delirium screening thresholds, and typical ICU use.

Shock type hemodynamic comparison chart — cardiac output, SVR, CVP, PCWP, heart rate, clinical signs, and first-line treatment for hypovolemic, distributive, cardiogenic, and obstructive shock side-by-side.

CRRT modality comparison chart — CVVH vs CVVHD vs CVVHDF side-by-side: mechanism, dialysate, replacement fluid, solute clearance, and best clinical use for each continuous renal replacement therapy mode.

ECMO comparison chart — VV ECMO vs VA ECMO side-by-side: support type, cannula sites, indications, circuit flow, Harlequin syndrome, limb ischemia risk, LV distension, and anticoagulation monitoring.

Ventilator alarm troubleshooting chart for ICU nurses — high pressure, low pressure, apnea, and volume alarms with specific causes, check-first steps, and clinical actions including DOPE mnemonic.

GCS interpretation chart — Eye, Verbal, and Motor subscores with criteria and clinical meaning, total score severity ranges, clinically significant change thresholds, and documentation best practices.

Focal and generalized seizure types compared side-by-side — onset, consciousness level, motor features, typical duration, postictal state, and clinical pearls for nursing recognition.

ICP management interventions for neuro ICU nurses — positioning, ventilation, oxygenation, osmotherapy, sedation, and CSF drainage organized by mechanism with expected ICP and CPP effects.

Tissue perfusion indicators at a glance — cap refill, skin, urine output, lactate, MAP, mental status, SpO₂/ScvO₂, pulses — plus shock pattern recognition across the five shock types.

PICC, non-tunneled CVC, tunneled catheter, implanted port, and HD catheter compared by insertion site, dwell time, CLABSI risk, flush protocol, and blood-draw compatibility.

SOFA scoring rubric for all 6 organ systems across score levels 0–4, plus qSOFA bedside screening, total-score mortality correlation, and Sepsis-3 definitions.

Normal arterial waveform components plus dampened, over-amplified, and flatline troubleshooting, the fast-flush square wave test, pulse pressure analysis, and pulsus paradoxus.

Quick-reference grid for all four primary acid-base disorders — respiratory acidosis/alkalosis and metabolic acidosis/alkalosis with expected pH, CO₂, and HCO₃ changes and common causes.

Stepwise ABG interpretation flowchart — a visual decision guide through pH, PaCO₂, HCO₃, compensation assessment, and oxygenation evaluation with practice examples.

Side-by-side comparison of all four acid-base disorders — respiratory acidosis, respiratory alkalosis, metabolic acidosis, and metabolic alkalosis — with pH, PaCO₂, HCO₃, causes, and symptoms.

Side-by-side comparison of low and high states for sodium, potassium, calcium, and magnesium — causes, clinical findings, ECG considerations, and nursing priorities.

Potassium management by severity level — mild, moderate, and severe hypokalemia and hyperkalemia ranges with ECG correlation, intervention priorities, and IV safety rules.

Side-by-side comparison of hyponatremia and hypernatremia — causes, fluid status, neurological symptoms, correction rate warnings, and nursing considerations.

Hypokalemia vs hyperkalemia side-by-side: causes, clinical manifestations, ECG changes, treatment, the hyperkalemia treatment sequence, IV safety, and nursing monitoring.

Hypocalcemia vs hypercalcemia compared by serum levels, causes, the excitable vs sluggish symptom pattern, QT changes, phosphate direction, and nursing priorities, side by side.

Hypomagnesemia vs hypermagnesemia compared by serum levels, causes, deep-tendon-reflex pattern, ECG effects, the K/Ca link, and the calcium gluconate antidote, side by side.

Standard adult lab reference ranges — CBC, BMP/CMP, electrolytes, renal markers, liver markers, and coagulation studies.

CBC interpretation chart — WBC differential changes with causes, anemia classification by MCV type (micro/normo/macrocytic) with features and treatment, platelet count thresholds with bleeding risk and nursing actions, and NCLEX focus.

Metabolic panel interpretation chart — BMP and CMP values organized by system: electrolytes, renal markers, glucose, liver enzymes, and proteins with low/high causes, critical thresholds, nursing actions, and key interpretation patterns.