04.01 Hematology for CCRN Review

Nursing Points General Hematology Disseminated intravascular coagulation (DIC) Clotting cascade Intrinsic -> Injury of endothelium in vessels Extrinsic -> Injury of tissue/muscle Prothrombin -> thrombin Fibrinogen (level is low) -> fibrin (split product level high) Plasmin -> clot -> FSP PT & PTT high Treatment Heparin (EXCEPT in OB emergencies) Halts the intrinsic pathway Prevents […]

05.01 Pancreatitis and Large Bowel Obstruction for CCRN Review

Nursing Points General Pancreatitis Causes Obstruction of pancreatic ducts Gallstones Infection Alcoholism Drug Toxicity Cyclosporine Steroids Thiazides Tetracyclines Trauma Symptoms and Effects Pancrease–>In pancreatitis is “Eats itself” Hypocalcemia Uses calcium–> A damaged pancreas generates free fatty acids which will bind to the calcium salts and deposit them in the retroperitoneum Hyperosmolar hyperglycemic non-ketoacidosis (HHNK) Caused […]

05.02 Liver Overview and Disease for CCRN Review

Nursing Points General Liver disease Liver   Detoxifies blood Through Kupper cells Unhealthy liver Causes back-up in organs The Liver Synthesizes Bile Amino acids Albumin Prothrombin Fibrinogen Cholesterol The Liver’s Role The liver converts glucose to glycogen The liver converts ammonia to urea Liver disease Preventing Damage to liver Acoid high potassium levels Caution with […]

05.03 Jaundice for CCRN Review

Nursing Points General Jaundice Symptoms include yellowing of: Skin Whites of eyes Mucous membranes  Causes of jaundice Increased bilirubin Hepatic failure or Liver failure Liver failure–> bilirubin can not be broken down and excreted the way that it should be Biliary tract disease Gall bladder disease  Unconjugated or Indirect Bilirubin Bilirubin and albumin Become conjugated/direct […]

01.01 CCRN Test Overview for CCRN Review

Overview Test Taking Tips for CCRN Exam Requirements RN license 1750 hours critical care experience in past two years 875 hours this year  Purpose of test Show your knowledge Show your commitment and pride Career advancement Additional material on the test Ethics and caring Patient advocate Teamwork and collaboration Diversity Caring practice Test created around […]

02.01 Hypertensive Crisis for CCRN Review

Nursing Points General Hypertensive Crisis Essential HTN Elevated BP with no known secondary cause Accelerated HTN Diastolic >120 mm Hg Complication-> hemorrhages of retina Malignant HTN Diastolic >140 mmHg Complications Hemorrhages of retina Papilledema Treatment Vasodilators Sympathetic blockers  

02.02 Cardiomyopathy for CCRN Review

Nursing Points General Cardiomyopathy Dilated Cardiomyopathy Treatment = Digoxin Hypertrophic Cardiomyopathy AKA hypertrophic obstructive cardiomyopathy AKA idiopathic hypertrophic subaortic stenosis Large ventricular septum Blocks filling of ventricle with blood = less cardiac output Treatment Beta-blocker Calcium channel blocker Decrease contractility to allow more fill Restrictive Cardiomyopathy Lower chambers of the ventricles are tight and do […]

02.03 Swan-Ganz Catheters for CCRN Review

Nursing Points General Swan-Ganz Catheters Invasive -> tip inserted between right ventricle and left atrium Pulmonary artery catheter -> measures pulmonary artery pressure (PAP) Systolic (squeeze) pressure (PAS) Normal = 20-30 mm Hg If elevated = lung issue (due to pulmonary vasoconstriction) Pulmonary hypertension Pulmonary hypoxia Pulmonary embolism COPD ARDS Diastolic (relaxed and filling) pressure […]

02.04 Pulmonary Artery Wedge Pressure (PAWP) for CCRN Review

Nursing Points General Pulmonary Artery Wedge Pressure (PAWP) AKA pulmonary capillary occlusion pressure (PCOP) Air into balloon -> to look at left side of heart Waves A (shows QRS) -> contraction of atria C (may no see, shows in A wave) -> mitral valve closes V (between T and P) -> atria fill Mean of […]