Category: Nursing – CCRN

  • Renal

    Key Facts to Keep in Mind: Prerenal Failure Intrarenal Failure Acute Tubular Necrosis (ATN) Postrenal Failure Contrast Medium Nephropathy Rhabdomyolysis Hemodialysis

  • Pulmonary

    Fundamental Concepts to Keep in Mind: Arterial Blood Gas (ABG) Reference Ranges (ROME Method): Acid-Base Abnormalities There are four primary categories:a. Respiratory alkalosis (excessive CO₂ elimination)b. Respiratory acidosis (CO₂ retention)c. Metabolic alkalosis (increased bicarbonate or acid loss)d. Metabolic acidosis (bicarbonate depletion or acid buildup) Carbon Monoxide Toxicity Lung Compliance Severe Asthma (Status Asthmaticus) Chronic Obstructive…

  • Musculoskeletal

    Compartment Syndrome Fractures Femur Fractures Pelvic Fractures Falls

  • Trauma

    Shock A state in which cells become dysfunctional due to insufficient oxygen supply or the inability to utilize oxygen effectively. Three Primary Stages of Shock A. Initial/Compensatory Stage (EARLY PHASE) B. Progressive Stage (ONSET OF HYPOTENSION) C. Refractory Stage (ADVANCED/FINAL PHASE) Types of Shock Cardiogenic Shock Hypovolemic Shock Sepsis & Septic Shock Systemic Inflammatory Response…

  • Neurology

    Skull Openings: Broca’s Area: Neurological Posturing: Reflexes: Visual and Neurological Signs: Medication Reversal: Brain Regions and Functions: Cerebrum: Brainstem: Cerebellum: Frontal Lobe: Temporal Lobe: Parietal Lobe: Occipital Lobe: Cranial Nerves: Glasgow Coma Scale (GCS) Traumatic Brain Injury (TBI) Classification Types of Skull Fractures Linear Skull Fracture Depressed Skull Fracture Basilar Skull Fracture Management and Precautions…

  • Hematology

    Blood Product Administration Massive Transfusion Protocol (MTP) Disseminated Intravascular Coagulation (DIC) DIC is a disorder of abnormal clotting and bleeding. Signs & Laboratory Findings Treatment Approach Heparin Induced Thrombocytopenia (HIT) Hemodynamics Review Measurement and Normal Range: Key Concepts to Remember: Hemodynamic Instability and Medications: Increased Preload: Crystalloids: 0.9% NS, LR, 5% Dextrose Colloids: Albumin Decreased…

  • Gastrointestinal

    Key Concepts to Remember Cullen’s Sign: Grey-Turner’s Sign: Kehr’s Sign: Abdominal Trauma Abdominal Compartment Syndrome (ACS) Monitoring: Bladder pressure measurement. Prevention for IAP > 12 mmHg: Esophageal Varices Bowel Infarction Bowel Obstruction Bowel Perforation Liver Failure Chronic Liver Failure: Ammonia Levels: Acute Liver Failure: Labs in Liver Failure: Symptoms: Altered mental status, asterixis, ascites, jaundice,…

  • Endocrine

    Hypoglycemia Acute Condition Osmolality Definition: A measure of solute concentration (serum or urine), expressed as solute particles per kilogram. Diabetic Ketoacidosis (DKA) Key Characteristics: Onset: Rapid development, typically within 1–2 days. Fluid Loss: Estimated at 4–6L, often requiring 8–10L of fluid replacement within 24 hours. Symptoms: Kussmaul respirations—deep and labored breathing. Treatment: Administer insulin, followed…

  • Electrolytes

    Imbalance Hypercalcemia Signs and Symptoms Potential Causes Treatment Imbalance Hypocalcemia Signs and Symptoms Potential Causes Treatment Imbalance: Hyperphosphatemia Signs and Symptoms Potential Causes Treatment Imbalance: Hypophosphatemia Signs and Symptoms Potential Causes Treatment Imbalance Hyperkalemia Signs and Symptoms Potential Causes Treatment Imbalance: Hypokalemia Signs and Symptoms Potential Causes Treatment Imbalance: Hypermagnesemia Signs and Symptoms Potential Causes…

  • Introduction

    Welcome to our CCRN study app! All the content in the app is created by our team of licensed CCRN nurses. All the study links (you’re on the first one for the cardiovascular system) and the practice questions are based on Barron’s CCRN book. We hope you enjoy using our app, and that you pass…