Title | The Beginner’s Guide to Intensive Care : a Handbook for Junior Doctors and Allied Professionals |
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File Size | 4.4 MB |
Total Pages | 485 |
Cover Half Title Title Page Copyright Page Contents Foreword Acknowledgements Editors Contributors Introduction Part 1: Basics Chapter 1: Your first day and what to expect The ‘usual’ day Who to ask for help ICU terminology Chapter 2: The daily review of a patient Primary diagnosis Background and progress Issues over the last 24 hours Respiratory system Cardiovascular system Renal system Gastrointestinal system Haematology Neurological system Microbiology Lines General Summary of issues Treatment plan Chapter 3: Communication Why is communication so important? Who will I be communicating with? On the intensive care unit In the hospital Outside the hospital How can I communicate effectively within the multi-disciplinary team? Always Never How can I communicate effectively with patients and relatives? Always Never How do I break bad news? Spikes model Always Never Conclusion Further reading Chapter 4: Capacity and consent Consent Capacity Lack of capacity Deprivation of liberty safeguards Restraint Mental Health Act 1983 Children Answer to clinical scenario Further reading Chapter 5: FOAMed and social media as an aid to education in intensive care Free open access medical education (FOAMed) Twitter Podcasts Blogs/websites Not all that glitters is gold Further reading Chapter 6: Research in intensive care Why is research important? Common types of research in ICU Translational science Early phase clinical studies Observational studies Randomised controlled trials (RCTs) Practical aspects of research in ICU Who carries out the research? Consent Ethical aspects of research in ICU How to get involved in research in ICU Further reading Chapter 7: Stress and burnout in intensive care medicine: Looking after yourself What is ‘burnout’? How common is burnout? Who gets burnout? Individual factors Organisational/work-related factors What are the signs of burnout? What are the effects of burnout? How is burnout diagnosed? Are there any treatments for burnout? I am feeling burnt out. what should I do? Can burnout be prevented? What about our case? An idealised outcome Further reading Part 2: Staffing on the Intensive Care Unit: The multidisciplinary team Chapter 8: The intensive care nurse What training do critical care nurses have? Chapter 9: Speech and language therapists Communication difficulties Swallowing difficulties Further reading Chapter 10: The critical care physiotherapist Respiratory treatment Rehabilitation What we need from you Further reading Chapter 11: Advanced critical care practitioners (ACCP) Background Recognition by the Faculty of Intensive Care Medicine What are the typical backgrounds of ACCPs? Current roles of the critical care practitioners within critical care services Additional advantages of ACCPs Further reading Chapter 12: The critical care pharmacist Further reading Part 3: Initial assessment: The first hour Chapter 13: Assessing ICU referrals on the ward Using a systematic approach to assess referrals Airway Breathing Circulation Disability Exposure Additional information Making a plan Immediate plan for the ward The need for ICU Further reading Chapter 14: Assessment and management of major trauma patients Introduction The emergency department Patient arrival Cervical spine control Primary survey Catastrophic haemorrhage Airway Breathing Circulation Rapid sequence intubation in the emergency department Where do they go next? Case review Further reading Chapter 15: Management of the head-injured patient Basic principles What should you do in response to the nurse’s question? Initial assessment and management (first hours) Ongoing critical care management in severe traumatic brain injury (hours to days) Cerebral perfusion and intracranial pressure Further reading Chapter 16: Initial management of the patient with burns The basics of burns Assessment Airway and breathing Thermal injury Respiratory injury Toxic injury Circulation Fluid resuscitation and maintenance Circumferential burns Disability Exposure Ongoing management Further reading Part 4: Drugs Chapter 17: Analgesia, sedation and muscle relaxation Introduction Analgesia Context-sensitive half-life Sedation Titration of analgesia and sedation Muscle relaxation Managing sedation for Mrs Smith Further reading Chapter 18: Drugs that work on the heart Blood pressure Increasing blood pressure Drugs Decreasing blood pressure Drugs How to use these medications in a clinical setting What do you do in response to the nurse’s question? Further reading Chapter 19: Nutrition and fluids in intensive care Summary of nutritional assessment Requirements Not severely ill or injured patients without risk of refeeding Seriously ill or injured patients Refeeding syndrome Risk for refeeding syndrome Prescription for people at high risk of developing refeeding problems Intravenous fluids Further reading Part 5: Equipment and investigations Chapter 20: Face masks, continuous positive airway pressure (CPAP) and airways Introduction Oxygen delivery without airway or respiratory support Nasal cannulae Simple (Hudson) face mask Venturi face mask Face mask with reservoir bag Oxygen delivery with respiratory support High-flow nasal cannula (HFNC) Continuous positive airway pressure (CPAP) Non-invasive positive pressure ventilation (NIPPV/BiPAP/NIV) Oxygen delivering with airway support Endotracheal tube (ETT) Tracheostomy Clinical scenario management plan Chapter 21: The ventilator Why do we need to ventilate? Extra-pulmonary Central nervous system Neuromuscular Musculoskeletal Pulmonary How to set up the ventilator Common pitfalls and complications Weaning Further reading Chapter 22: Monitoring the critical care patient Airway End tidal capnometry (ETCO2) Breathing Respiratory rate Oxygen saturation Ventilator values Arterial blood gas Circulation Heart rate Electrocardiogram (ECG) Blood pressure and mean arterial blood pressure (MAP) Central lines and central venous Pressure (CVP) Cardiac output monitoring Echocardiogram Disability Glasgow Coma Scale (GCS) Capillary blood glucose Intracranial pressure (ICP) Exposure Temperature Urine output Which of these parameters are important for your clinical review of Mrs Moffat? Further reading Chapter 23: Ultrasound in intensive care What is ultrasound? How can ultrasound help in intensive care? Echocardiography Lung ultrasound Abdominal ultrasound Vascular ultrasound How would ultrasound help our patient? Further reading Chapter 24: Renal replacement therapy in intensive care Types of renal replacement therapy Dialysis Filtration Intermittent RRT Continuous RRT (CRRT) Sustained low efficiency dialysis (SLED) (or SLEDD: Slow low efficiency daily dialysis) So how do we pick? Vascular access Anticoagulation Concepts in prescribing CRRT Anticoagulation Exchange rate Fluid replacement and balance Replacement fluid choice Pre- and Post-dilution What are you going to do for Mr Smith? Further reading Chapter 25: Interpreting arterial blood gases (ABGs) What is an ABG? Normal values for arterial blood Gas (ABG) Definitions Other components Alternative approaches to blood gas analysis How to interpret an ABG What is the pO2? What is the pH? Is the pH change due to a primary respiratory or metabolic disturbance? check the PaCO2 and HCO3- What is the base excess and anion gap? Is there evidence of compensation? What should we do? Immediate management Further reading Part 6: Airway and respiratory emergencies Chapter 26: Maintaining an airway Causes of airway obstruction Recognising an obstructed airway Basic airway opening manoeuvres Head tilt and Chin lift Jaw thrust Airway adjuncts Ventilation Advanced airways Approaching the above clinical problem Chapter 27: Rapid sequence induction Indications Risk of procedure How to do an RSI Minimizing aspiration risk Cricoid pressure Tracheal intubation Optimizing oxygenation prior to intubation Adequate preoxygenation Increase FiO2 Positive pressure Apnoeic oxygenation Positioning for preoxygenation Suction equipment and tilting trolley Drugs in RSI Induction agent Neuromuscular blocking agent Opioids Ventilation Planned Preparation with Checklist for RSI Management of Failure – DAS Guidelines Further reading Chapter 28: Endotracheal tube and tracheostomy problems When do airway problems occur? How will I know it is an airway problem? What should I do? Suspected airway problem with the endotracheal tube still in the mouth Actions What to do if the endotracheal tube is completely displaced Tracheostomy basics Surgical tracheostomies Percutaneous tracheostomies Laryngectomy patients Mini-tracheostomy Managing tracheostomy emergencies Expert tips Further reading Chapter 29: ‘Fighting the ventilator’ Questions Introduction Initial assessment Identification of the problem Airway or breathing circuit issues Breathing or circulatory problems Inappropriate ventilator settings Inadequate sedation or paralysis Conclusion Further reading Chapter 30: Pneumothorax Definition Causes Recognition Tip Tension pneumothorax Management – What do you need to do? Chest drain insertion Technique Further reading Part 7: Other emergencies Chapter 31: Cardiac arrhythmias Supraventricular arrhythmias Supraventricular tachycardia (SVT) Atrial fibrillation Treatment Atrial tachycardia Treatment Supraventricular bradycardias Heart block Treatment Ventricular arrhythmias Ventricular extrasystoles Treatment Ventricular fibrillation Asystole Chapter 32: ICU delirium and the agitated patient What is critical care delirium? Causes and impact of critical care delirium and agitation Detecting delirium Management of critical care delirium and agitation Non-pharmacological management Pharmacological management Case resolution Further reading Chapter 33: Status epilepticus Definition Causes Acute Chronic Management Airway and Breathing Circulation Disability Examination Drug treatment Further investigations Clinical case Further reading Chapter 34: The critically ill or injured child in a non-paediatric hospital What do critically ill children present to district general hospitals with? Respiratory conditions Cardiac conditions Sepsis Neurological conditions Non-accidental injury (NAI) Recognition of the critically ill child Investigations Bloods Urine Other investigations What do you do in this emergency situation? (Management of critically ill child) Airway considerations Sedative and muscle relaxation drugs and doses Ventilation Supporting the circulation Human factors Further reading Chapter 35: Management of hyperglycaemic emergencies What is diabetic ketoacidosis? Epidemiology What causes DKA? What are the clinical features? How can a diagnosis of DKA be confirmed in Mr Evans? How should Mr Evans be managed? Fluid resuscitation Hyperglycaemia Administration of electrolytes How should Mr Evans’ fluid regimen be prescribed? Other considerations Does Mr Evans require admission to critical care? Complications of DKA Cerebral oedema Pulmonary oedema Hypoglycaemia Important points for consideration Following treatment How is DKA different from hyperosmolar hyperglycaemic state (HHS)? Further reading Chapter 36: Poisoning General measures Paracetamol Salicylates Sedatives Tricyclic antidepressants Beta-blockers Part 8: Management Chapter 37: Pneumonia Introduction Community-acquired pneumonia (CAP) Typical organisms Atypicals Investigations Treatment Hospital-acquired pneumonia (HAP) Treatment of HAP Aspiration pneumonia Ventilator-associated Pneumonia (VAP) Diagnosis The Clinical Pulmonary Infection Score (CPIS) for VAP Prevention of VAP Treatment What do you do in response to the nurse’s question? Further reading Chapter 38: Acute severe asthma What causes asthma? Diagnosis of acute severe asthma Investigations Peak expiratory flow (PEF) or FEV1 Pulse oximetry Arterial blood gases (ABGS) Management Initial treatment Oxygen Beta-2 agonist bronchodilator Ipratropium bromide Steroids Intravenous fluids Treatment initiated after consultation with senior staff Magnesium sulphate Aminophylline infusion Adrenaline Anaesthetic inhalational agents Ketamine Ventilation Non-invasive Invasive What is the prognosis of asthma and how do I prevent it? Further reading Chapter 39: The COPD patient in intensive care Introduction Pharmacological management of an exacerbation of COPD Ventilator support for patients with COPD Non-invasive ventilation for patients with COPD Where should NIV be delivered? How is NIV provided? Invasive ventilation for patients with COPD What about Mr Evans? Further reading Chapter 40: Acute respiratory distress syndrome What is ARDS? Diagnosis Treatment Ventilation strategies Positioning Prone ventilation Pharmacological approaches Sedation Muscle relaxants Steroids Pulmonary vasodilators Intravenous fluid Other therapies Extracorporeal membrane oxygenation (ECMO) Extracorporeal CO2 removal Outcome Clinical scenario Further reading Chapter 41: Sepsis What is sepsis? How do patients with sepsis present? How is sepsis managed? Initial resuscitation Antimicrobial therapy Some controversies in sepsis Paracetamol for pyrexia in sepsis Activated Protein C (APC) Glycaemic control What about Mr Kay? Further reading Chapter 42: Acute renal failure in intensive care (Acute kidney injury) What causes renal failure? Pre-renal (generally because of poor renal perfusion) Renal Post-renal – obstructive causes. Rarer but we do see them Diagnosis of acute renal failure/acute kidney injury (AKI) Staging How do I prevent renal failure? Investigations Bloods Urine Other investigations What do you do in response to the nurse’s question? (Treatment of acute renal failure) Initial treatment (Within six hours) Remember your ABC Lines Drugs Renal replacement therapy Concomitant medication Long-term prognosis Further reading Chapter 43: Management of severe acute pancreatitis Symptoms/signs Causes Investigations Scoring systems Ranson’s criteria Non-gallstone pancreatitis Gallstone pancreatitis ‘GLASCOW’ Criteria Back to the patient Respiratory Cardiovascular Renal Nutrition Management of pseudocysts and infection Surgical management Further reading Chapter 44: Hepatic failure Physiology of liver Causes of liver failure Drug-related hepatotoxicity Hepatic failure in pregnancy Toxin-related hepatotoxicity Vascular causes Metabolic causes Malignancies Presentation History Physical examination Complications Management Prothrombin time Hepatic enzymes Serum bilirubin Serum ammonia Serum glucose Serum lactate Other useful tests Diagnosis Management of acute liver failure Management of encephalopathy and cerebral oedema Infection Coagulation N-acetylcysteine Liver transplantation Diet Prognosis Clinical scenario – continued Further reading Chapter 45: Non-traumatic brain injuries What is a subarachnoid haemorrhage and what causes it? Diagnosis of SAH Classification of SAH Complications Disease-associated events Treatment-associated events Complications associated with prolonged bed rest Management Critical care Neurosurgical and neuroradiological intervention Intracerebral haemorrhage Ischaemic stroke in neurocritical care Decompressive hemicraniectomy What do you do in response to the nurse’s question? (Assessment of patient with deteriorating conscious level after diagnosis of Grade I SAH) Immediate management Further reading Chapter 46: Ongoing management of the patient with burns Systemic considerations Cardiovascular Respiratory Genitourinary tract Renal Neurological Musculoskeletal Electrolyte Metabolism Haematological Immune Psychological Specific considerations Smoke inhalation injury Burn shock, fluid resuscitation and management Temperature regulation Wound infection/sepsis Chapter 47: Ageing and frailty The ageing population The elderly – the challenges Physiological and pathological changes associated with the elderly Cardiovascular Respiratory Renal Neurological Haematological Musculoskeletal Nutrition Pharmacological Functional decline Frailty and frailty assessment Prognostic implications Therapeutic implications Back to the case Further reading Chapter 48: Transfer of the critically ill patient Introduction Preparation for transfer Airway (with cervical spine immobilisation if indicated) Breathing Circulation Disability Everything else Special circumstances Aeromedical transfers MRI Case answer Airway Breathing Circulation Disability Everything else Summary Further reading Chapter 49: The critically ill obstetric patient Differential diagnoses Shortness of breath (SOB) Asthma Pulmonary embolus Pneumonia Bacterial pneumonia Viral pneumonia Pulmonary oedema Pulmonary arterial hypertension (PAH) Abdominal pain or diarrhoea and vomiting Pre-conception In early pregnancy Later in pregnancy or post-delivery Headache Cardiac disease Sepsis Embolism Thrombosis and thromboembolism Management Amniotic fluid embolism (AFE) Pre-eclampsia, eclampsia and HELLP Pre-eclampsia Management Eclampsia Haemorrhage Causes of obstetric haemorrhage Management Important physiological alterations in pregnant women Respiratory Cardiovascular Haematology Renal Gastrointestinal Conclusion Further reading Chapter 50: The bariatric patient in intensive care Definition Respiratory system Unfavourable respiratory mechanics in the face of increased oxygen consumption Obstructive sleep apnoea Obesity hypoventilation syndrome Management principles relevant to respiratory care Positioning CPAP/NIV Invasive mechanical ventilation Cardiovascular system Physiology Risk of cardiovascular comorbidity Renal system Nutritional support Immune system changes and nosocomial infections Thromboembolic risk Pharmacology/drug dosing Technical and organisational issues Blood pressure monitoring Placement of vascular access Airway management Organisational issues How about steve? Further reading Chapter 51: Post-ICU syndrome What is Post-ICU syndrome? Physical consequences Non-physical consequences Who is likely to get it? What can we do to manage it? Before admission to ICU During ICU stay Following discharge from ICU Further reading Chapter 52: End of life care in ICU What is palliative care? Identifying patients Symptom control Pain Anxiety Secretions Nausea and vomiting Dyspnoea End of life prescribing Anticipatory prescribing Palliative care emergencies Hypercalcaemia SVC obstruction Major haemorrhage Metastatic spinal cord compression Case review Further reading Chapter 53: Brain stem death and organ donation Donors after brain stem death (DBD) What is coning? Brain stem death testing Pre-conditions Clinical examination Apnoea test Donation after circulatory death (DCD) Assessment for organ donation suitability Clinical priorities Donor optimisation How do you respond to the nurse’s question? Further reading Index