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Emergency and Critical Care, An Issue of Veterinary Clinics of North America: Exotic Animal Practice, E-Book

Emergency and Critical Care, An Issue of Veterinary Clinics of North America: Exotic Animal Practice, E-Book

Margaret Fordham | Brian K. Roberts

(2016)

Additional Information

Abstract

This issue of Veterinary Clinics of North America: Exotic Animal Practice focuses on Emergency and Critical Care. Articles include:. Basic Shock Physiology and Critical Care;Common Emergencies in Pet Birds; Emergency and Critical Care in Pet Birds; Common Emergencies of Small Mammals; Critical Care, Analgesia and Anesthesia of Small Mammals; Toxicologic Emergencies in Exotics; Common Wildlife Emergencies; Arachnid and Insect Emergency Care, Rabbit Physiology and Treatment for Shock? and more!

Table of Contents

Section Title Page Action Price
Front Cover Cover
Emergency and Critical Care\r i
Copyright\r ii
Contributors iii
CONSULTING EDITOR iii
EDITORS iii
AUTHORS iii
Contents v
Foreword\r v
Preface: Exotic Pet and Wildlife Emergency Medicine for the Small Animal Practitioner\r v
Preparing the Small Animal Hospital for Avian and Exotic Animal Emergencies\r v
Basic Shock Physiology and Critical Care\r v
How to Improve Anesthesia and Analgesia in Small Mammals\r v
Assessment and Care of the Critically Ill Rabbit\r v
Common Emergencies in Rabbits, Guinea Pigs, and Chinchillas\r vi
Medical and Surgical Emergencies in Ferrets\r vi
Common Emergencies in Small Rodents, Hedgehogs, and Sugar Gliders\r vi
Critical Care of Pet Birds\r vi
Common Emergencies in Pet Birds\r vii
Emergencies and Critical Care of Commonly Kept Fowl\r vii
Approach to Reptile Emergency Medicine\r vii
Reptile Critical Care and Common Emergencies\r vii
Wildlife Emergency and Critical Care\r viii
Tarantula and Hermit Crab Emergency Care\r viii
VETERINARY CLINICS OF\rNORTH AMERICA: EXOTIC\rANIMAL PRACTICE\r ix
FORTHCOMING ISSUES ix
September 2016 ix
January 2017 ix
May 2017 ix
RECENT ISSUES ix
January 2016 ix
September 2015 ix
May 2015 ix
Foreword xi
Preface: Exotic Pet and Wildlife Emergency Medicine for the Small Animal Practitioner\r xiii
Preparing the Small Animal Hospital for Avian and Exotic Animal Emergencies 325
Key points 325
INTRODUCTION 325
MAKING THE DECISION TO SEE EXOTICS IN THE SMALL ANIMAL PRACTICE 326
POLICIES AND PROCEDURES 326
PROFESSIONAL STAFF INTEREST AND TRAINING 326
BENEFITS OF ACHIEVING BASIC GOALS FOR HOSPITAL STAFF 327
INITIAL WELCOME FOR THE EXOTIC ANIMAL 327
THE IMPORTANCE OF A THOROUGH HISTORY 328
PREPARING THE HOSPITAL SPACE FOR EXOTIC ANIMAL PATIENTS 329
DIETS 330
THE EMERGENCY EXOTIC ANIMAL PATIENT ARRIVES 330
THE AVIAN EMERGENCY PATIENT 337
THE HERBIVORE EMERGENCY PATIENT (RABBITS, GUINEA PIGS, AND CHINCHILLAS) 338
THE FERRET EMERGENCY PATIENT 339
THE REPTILE EMERGENCY PATIENT 343
WILDLIFE EMERGENCIES 343
SUMMARY 345
REFERENCES 345
Basic Shock Physiology and Critical Care 347
Key points 347
DEFINITIONS 347
PHYSIOLOGY OF PERFUSION 349
PATHOPHYSIOLOGY OF SHOCK 350
SHOCK STAGES 351
Compensatory Shock 351
Decompensatory Shock 351
SYSTEMIC INFLAMMATORY RESPONSE SYNDROME 351
SPECIES DIFFERENCES OF SHOCK AND SYSTEMIC INFLAMMATORY RESPONSE SYNDROME 353
Mammals 353
Reptiles 355
Birds 355
SUMMARY 356
REFERENCES 356
How to Improve Anesthesia and Analgesia in Small Mammals 361
Key points 361
PREANESTHETIC EVALUATION 361
FASTING 362
STABILIZATION 362
MONITORING 362
Mucous Membrane 363
Capillary Refill Time 363
Heart Rate 363
Electrocardiogram 363
Mentation 363
Body Temperature 363
Blood Pressure 364
Pulse Oximetry 364
Respiratory Monitor 365
Capnography 365
EQUIPMENT 365
Mask 365
Induction Chamber 365
Breath Holding 366
Minimum Alveolar Concentration 366
Breathing Circuits and Gas Flow 366
Endotracheal Tube 366
V-Gel 366
INTUBATION 367
Ferrets 367
Rabbits 367
Guinea Pigs 367
Rodents 367
Rats 368
Eye Protection 368
Positioning 368
Checklist 368
Drugs 369
Atropinase 369
Intranasal Drug Administration 369
Propofol 370
Ketamine 370
Etomidate 370
Alfaxalone 371
PAIN MEDICATION 371
Opioids 371
Nonsteroidal Anti-Inflammatory Drugs 373
Local Anesthetic Agents 373
α2-Adrenergic Agonists 373
Ketamine 373
Gabapentin and Pregabalin 374
NONPHARMACOLOGIC INTERVENTION 374
PAIN ASSESSMENT 374
Pain Assessment Tools 374
Postoperative Care 374
SUMMARY 376
REFERENCES 376
Assessment and Care of the Critically Ill Rabbit 379
Key points 379
INTRODUCTION 379
Initial Assessment 380
History 380
Initial Clinical Assessment 381
Monitoring 382
Body Weight 382
Body Temperature 382
Oxygen Saturation 383
Blood Pressure 384
Digital palpation 384
Noninvasive blood pressure 384
Invasive blood pressure 385
Blood gas analysis and acid-base status 385
Electrolytes 387
Sodium 387
Potassium 387
Chloride 388
Ionized calcium 388
Glucose 388
Lactate 388
Coagulation 389
Packed cell volume 389
Urea 389
Protein 390
Urinalysis 390
Fluid Therapy 391
Body water distribution 391
Routes of Administration 391
Oral fluids 391
Subcutaneous fluids 391
Intravenous fluids 391
Intraosseous fluids 392
Peritoneal dialysis 392
Intrarectal fluid therapy 393
Fluid Choice 393
Crystalloids 393
Potassium supplementation 393
Bicarbonate supplementation 393
Colloid 393
Transfusion 394
Intralipid 394
Fluid volume replacement 394
Fluid Deficit Correction 395
Therapeutics 397
Sedation 397
Positive inotropes 397
Anticholinergics 397
Pain Management 398
Opioids 398
Lidocaine 398
Ketamine 398
Oxygen 398
Antibiotics 399
Steroids 399
Nutrition 399
Energy needs 399
Nasogastric tube 400
Esophagostomy tube 401
Parenteral Nutrition 401
Cardiopulmonary Resuscitation 402
SUMMARY 402
ACKNOWLEDGMENTS 402
REFERENCES 402
Common Emergencies in Rabbits, Guinea Pigs, and Chinchillas 411
Key points 411
INTRODUCTION 411
ORAL AND GASTROINTESTINAL DISEASE 412
Anorexia and Dysbiosis 412
Dental Disease 412
Evaluation of Anorexia 413
Treatment of Stasis and Obstruction 415
RESPIRATORY DISEASE 419
GENITOURINARY DISEASE 421
Urolithiasis and Sediment 421
Paraphimosis 423
NEUROLOGIC DISEASE 423
Vestibular Disease: Torticollis 423
CUTANEOUS DISEASE 424
Sarcoptic Mange 424
Urine Scalding 425
Fur Slip 425
REPRODUCTIVE DISEASE 425
Pregnancy Toxemia 425
Dystocia 426
TRAUMA AND SHOCK 426
Heat Stroke 426
Limb Fractures 426
Traumatic Wounds 426
Ocular Trauma 427
ACKNOWLEDGMENTS 428
REFERENCES 428
Medical and Surgical Emergencies in Ferrets 431
Key points 431
INTRODUCTION 431
SEIZURES 432
Hypoglycemia 432
Hypocalcemia 435
Other Causes of Seizures 437
ANEMIA 438
Hyperestrogenism-Related Anemia 438
Transfusions 438
Removal of estrogen source 438
Hyperestrogenism from persistent-estrus 438
Hyperestrogenism from adrenal hyperplasia or neoplasia 440
Hyperestrogenism from estrogen-producing tumors 440
INTOXICATION 441
Ibuprofen Toxicosis 442
Anticoagulant Rodenticide 442
ACUTE ABDOMEN 443
Gastrointestinal Obstruction 444
Intestinal Perforation 444
Biliary Disorders 445
Spleen Disorders 446
Intervertebral Disk Prolapse 447
ACUTE KIDNEY INJURY 448
Urethral Obstruction 450
DIABETIC KETOACIDOSIS 451
CONGESTIVE HEART FAILURE 453
Valvular Regurgitation and Cardiomyopathies 456
Atrioventricular Block 456
Filariosis 456
Congenital Disorders 458
Hypertension and Aortic Aneurysms 459
TRAUMA 460
ACKNOWLEDGMENTS 460
SUPPLEMENTARY DATA 461
REFERENCES 461
Common Emergencies in Small Rodents, Hedgehogs, and Sugar Gliders 465
Key points 465
INTRODUCTION 465
Patient Evaluation Overview 465
Small rodents 465
Hedgehogs 466
Sugar gliders 466
EMERGENCY MEDICINE 469
Triage 471
Cardiopulmonary Cerebral Resuscitation 472
Respiratory support 472
Cardiovascular support 472
Catheterization 473
Critical Care Assessment and Treatment 475
Fluid support 475
Pain medication 477
Diagnostic Testing 477
COMMON PRESENTING COMPLAINTS ON EMERGENCY 480
Anorexia and Lethargy 480
Trauma 480
Respiratory Distress 480
Neurologic Disorders 485
Ophthalmic Disorders 486
Proptosis 486
Chromodacryorrhea (porphyrin discharge) 486
Miscellaneous 487
Gastrointestinal Disorders 487
Dental disorders 487
Diarrhea and vomiting 487
Urogenital Emergencies 489
Skin Disease 490
Toxin Exposure 491
TREATMENT 492
Nutritional Support 492
Surgical treatment options 493
Treatment complications 493
Humane euthanasia of small exotic mammals 494
SUMMARY 495
REFERENCES 495
Critical Care of Pet Birds 501
Key points 501
TRIAGE 502
PHONE CONTACT 502
PRESENTATION 502
INFORMED CONSENT/EMERGENCY CARE RELEASE AND ESTIMATE 503
HISTORY 503
PHYSICAL EXAMINATION 503
CLINICAL TESTING 504
RADIOLOGY 504
SPECIAL DIAGNOSTIC PROCEDURES 504
PATIENT SUPPORT 504
FLUID SUPPORT 504
FLUID PHYSIOLOGY 505
ROUTE 505
CHOICE OF FLUIDS 506
SUPPORTIVE ENVIRONMENT/INTENSIVE CARE ENVIRONMENT 506
THERMAL SUPPORT 506
OXYGEN SUPPORT 508
INTENSIVE CARE ENVIRONMENTS 508
COMFORT 508
FLAT SURFACES VERSUS PERCHES 509
NUTRITIONAL SUPPORT 509
ORAL GAVAGE 509
CARDIOPULMONARY RESUSCITATION 510
MEDICAL THERAPY 510
Antibiotic Choices 510
PAIN MANAGEMENT 511
CONTINUED CARE 512
REFERENCES 512
Common Emergencies in Pet Birds 513
Key points 513
INTRODUCTION 513
EMERGENCIES THAT PRESENT WITH RESPIRATORY SIGNS 513
Physical Examination 515
Treatment and Diagnostics of Common Respiratory Emergencies 515
Rhinitis/sinusitis 515
Parasitic tracheal infections 516
Tracheal obstruction 518
Exposure to respiratory irritant or toxin and asthma/hypersensitivity patients 518
Pneumonia and air sacculitis 518
Subcutaneous emphysema 519
Treatment and Diagnostics of Birds with Extrarespiratory Causes of Dyspnea 519
Cardiovascular failure 519
Ascites 519
EMERGENCIES THAT PRESENT WITH GASTROINTESTINAL SIGNS 519
Initial Therapeutics 519
Possible Diagnostics 521
Additional Initial Therapies Considered for Birds Presenting with Gastrointestinal Signs 522
EMERGENCIES INVOLVING THE REPRODUCTIVE TRACT 522
Egg Binding and Dystocia 522
Clinical signs of egg binding and dystocia 524
Emergency treatment of egg binding and dystocia 524
Egg Yolk Peritonitis 524
Clinical signs of egg yolk peritonitis 525
Emergency treatment of egg yolk peritonitis 525
Cloacal Prolapse 525
Clinical signs of cloacal prolapse 526
Treatment of cloacal prolapses 526
EMERGENCIES OF THE NEUROLOGIC SYSTEM 527
Seizures 528
Ataxia and Tremors 529
Head Trauma 529
Acute Onset of Leg Paresis or Paralysis 530
TRAUMA 531
Broken Blood Feathers 531
Trauma to the Nails 531
Trauma to the Skin 532
Abrasions and lacerations 532
Burns 532
Bite wounds 534
Trauma to the Beak 534
Collisions, entrapment, and bite wounds 534
Band Wounds and Other Constriction Injuries 535
Glue Traps 537
Fractured Limbs 537
EXPOSURE TO TOXINS 539
SUMMARY 539
REFERENCES 539
Emergencies and Critical Care of Commonly Kept Fowl 543
Key points 543
INTRODUCTION 543
TRIAGE 544
PRIMARY SURVEY 544
SECONDARY SURVEY 545
HANDLING AND RESTRAINT 545
VASCULAR ACCESS AND FLUID THERAPY IN UNSTABLE PATIENTS 546
ADDITIONAL MONITORING AND DIAGNOSTIC TECHNIQUES USED IN CRITICALLY ILL PATIENTS 548
SEDATION AND ANESTHESIA 549
ANALGESIA 550
HOSPITALIZATION 550
COMMON CLINICAL EMERGENCY PRESENTATIONS 551
Hemorrhage 551
Trauma 551
Hypothermic Shock 553
Heat Stress 553
Dyspnea and Respiratory Disease 554
Neurologic Disease 556
Diarrhea 557
Gastrointestinal Impactions 558
Intussusception and Volvulus 559
Coelomitis 559
Egg Coelomitis 559
Prolapsed Oviduct 560
Egg Bound 560
Phallus Prolapse 560
EUTHANASIA 561
SUMMARY/DISCUSSION 561
REFERENCES 561
Approach to Reptile Emergency Medicine 567
Key points 567
INTRODUCTION 567
HISTORY AND PHYSICAL EXAMINATION 568
PHYSIOLOGY 568
Thermoregulation 568
Metabolism 572
Anatomy 572
Nervous System 577
Cardiovascular System 580
Respiratory System 582
Digestive System 583
Urogenital System 584
Integument System 585
Musculoskeletal System 586
Stress 586
SUMMARY 587
REFERENCES 587
Reptile Critical Care and Common Emergencies 591
Key points 591
INTRODUCTION 591
PHYSICAL EXAMINATION AND MONITORING 591
DIAGNOSTICS 592
FLUID THERAPY 593
COMMON EMERGENCY PRESENTATIONS 595
Bites/Trauma 595
Chelonian Shell Fracture 595
Dystocia 596
Fractures (Pathologic vs Traumatic) 596
Gastrointestinal Presentations 597
Neurologic Presentations 601
Nutritional Secondary Hyperparathyroidism (Commonly Referred to as “Metabolic Bone Disease”) 602
Ocular Presentations 602
Prolapse 603
Renal Failure 607
Respiratory Presentations 607
Thermal Burns 608
Sepsis 609
Euthanasia 609
Carriage Return 610
SUMMARY 610
REFERENCES 610
Wildlife Emergency and Critical Care 613
Key points 613
BIRDS 613
Patient Assessment 613
Sedation and Anesthesia 613
Avian Handling and Restraint 614
Physical Examination 614
Basic Diagnostics 614
Fluid Therapy 615
Drugs Used in Avian Wildlife Patients 615
Anxiolytics 617
Antibiotics 617
Antifungals 617
Supportive Care 617
Caging 617
Nutritional support 618
Common Emergency Presentations 618
Trauma 618
Anemia 619
Euthanasia 619
REPTILES 619
Patient Assessment 619
Sedation and Anesthesia 620
Physical Examination 620
Basic Diagnostics 620
Fluid Therapy 620
Drugs Used in Reptiles 621
Analgesics 621
Dissociatives 621
Antimicrobials 621
Supportive Care 622
Nutritional Support 622
Common Emergency Presentations 622
Euthanasia 622
MAMMALS 622
Patient Assessment 622
Sedation and Anesthesia 623
Physical Examination 623
Basic Diagnostics 623
Fluid Therapy 623
Medications Used in Mammals 623
Analgesics 623
Antibiotics 624
Supportive Care 624
Nutritional Support 624
Common Emergency Presentations 624
Euthanasia 624
Legalities Concerning the Medical Treatment of Wildlife 624
REFERENCES 625
Tarantula and Hermit Crab Emergency Care 627
Key points 627
INTRODUCTION 627
TARANTULAS 628
Anatomy 628
Ecdysis 629
Purchasing and Species 629
Husbandry 629
Dangers and Warnings 631
Safe Handling 633
Presentation, History, and Physical Examination 633
Anesthesia and Diagnostics 636
Disorders and Treatment 637
Euthanasia 639
HERMIT CRABS 639
Biology 639
Husbandry 640
Diagnostics 640
Disorders and Treatment 641
Euthanasia 642
SUMMARY 642
ACKNOWLEDGMENTS 642
SUPPLEMENTARY DATA 642
REFERENCES 642
Index 647