Equine

Jean-Pierre Lavoie , DVM, DACVIM, is a professor at the University of Montreal, Canada.

Kenneth Hinchcliff , BVSc, PhD, DACVIM, is the dean of the Faculty of Veterinary Medicine at the University of Melbourne, Australia.

Abdominal Distention in the Adult Horse 2 Abdominal Hernia in Adult Horses 4 Abdominocentesis 6 Abnormal Estrus Intervals 8 Abnormal Scrotal Enlargement 10 Abnormal Testicular Size 12 Abortion, Spontaneous, Infectious 14 Abortion, Spontaneous, Noninfectious 18 Acer rubrum (Red Maple) Toxicosis 22 Acidosis, Metabolic 24 Acidosis, Respiratory 26 Actinobacillosis 28 Acute Adult Abdominal Pain-Acute Colic 30 Acute Epiglottiditis 32 Acute Hepatitis in Adult Horses (Theiler's Disease) 33 Acute Renal Failure (ARF) 34 Acute Respiratory Distress Syndrome in Foals 36 Adenovirus 38 Adrenal Insufficiency 39 Aflatoxicosis 40 African Horse Sickness 41 Agalactia/Hypogalactia 42 Aggression 44 Alkaline Phosphatase (ALP) 46 Alkalosis, Metabolic 48 Alkalosis, Respiratory 50 Alopecia 52 Amitraz Toxicosis 55 Ammonia, Hyperammonemia 56 Amylase, Lipase, and Trypsin 58 Anaerobic Bacterial Infections 60 Anaphylaxis 63 Anemia 64 Anemia, Pure Red Cell Aplasia 66 Anemia, Heinz Body 68 Anemia, Immune-Mediated 70 Anemia, Iron Deficiency 72 Anestrus 74 Angular Limb Deformity 76 Anhidrosis 78 Anorexia and Decreased Food Intake 80 Anthrax 82 Anticoagulant Rodenticide Toxicosis 83 Anuria/Oliguria 84 Aortic Regurgitation 86 Aortic Root Rupture 88 Arsenic Toxicosis 91 Artificial Insemination 92 Arytenoid Chrondopathy 95 Ascarid Infestation 96 Aspartate Aminotransferase (AST) 98 Aspiration Pneumonia 100 Atheroma of the False Nostril 101 Atopic Dermatitis 102 Atrial Fibrillation 104 Atrial Septal Defect 108 Aural Plaques 110 Azotemia and Uremia 112 Babesiosis 114 Back Pain 116 Bacteremia/Septicemia 118 Bacterial Dermatitis-Methicillin-Resistant Staphylococci 120 Bacterial Dermatitis-Superficial 122 Bacterial Meningitis, Neonate 124 Basisphenoid/Basioccipital Bone Fracture 125 Bile Acids 126 Bilirubin (Hyperbilirubinemia) 128 Blindness Associated with Trauma 130 Blood Culture 132 Blood Transfusion Reactions 134 Blue-Green Algae 135 Bordetella bronchiseptica 136 Borna Disease 137 Botulism 138 Botulism, Neonate 141 Bradyarrhythmias 142 Broad Ligament Hematoma 144 Brucellosis 145 Bruxism 146 Burdock Pappus Bristle Keratopathy 148 Calcific Band Keratopathy 149 Calcium, Hypercalcemia 150 Calcium, Hypocalcemia 152 Cantharidin Toxicosis 154 Cardiotoxic Plants 156 Castration, Henderson Castration Instrument 158 Castration, Routine 159 Centaurea spp. Toxicosis 160 Cerebellar Abiotrophy 161 Cervical Lesions 162 Cervical Vertebral Malformation 164 Cestrum diurnum (Day-Blooming Jessamine) Toxicosis 165 Chloride, Hyperchloremia 166 Chloride, Hypochloremia 168 Cholelithiasis 170 Chorioretinitis 171 Chronic Progressive Lymphedema 172 Chronic Renal Failure (CRF) 174 Chronic Weight Loss 176 Cleft Palate 177 Clitoral Enlargement 178 Clostridial Myositis 180 Clostridium difficile Enterocolitis 182 Coagulation Defects, Acquired 184 Coagulation Defects, Inherited 186 Coccidiomycosis 188 Coccidiosis 189 Colic-Chronic/Recurrent 190 Colic in Foals 192 Conception Failure 195 Congenital Cardiac Abnormalities 198 Conium maculatum (Poison Hemlock) Toxicosis 200 Conjunctival Diseases 202 Contagious Equine Metritis (CEM) 204 Corneal/Scleral Lacerations 206 Corneal Stromal Abscesses 207 Corneal Ulceration 208 Corynebacterium pseudotuberculosis 210 Cough 212 Creatine Kinase (CK) 214 Cryptorchidism 216 Cyanide Toxicosis 218 Cytology of Bronchoalveolar Lavage (BAL) Fluid 219 Cytology of Tracheal Aspiration (TA) Fluid 220 Dacryocystitis 222 Degenerative Myeloencephalophathy 224 Delayed Uterine Involution 226 Dermatomycoses, Subcutaneous 228 Dermatomycoses, Superficial 230 Dermatophilosis 232 Diaphragmatic Hernia 233 Diarrhea, Neonatal 234 Dicumarol (Moldy Sweet Clover) Toxicosis 236 Diseases of the Equine Nictitans 238 Disorders of Sexual Development 240 Disorders of the Thyroid: Hypo- and Hyperthyroidism 242 Disseminated Intravascular Coagulation 244 Distal and Proximal Interphalangeal Joint Disease 246 Distal Tarsitis 248 Dorsal Displacement of the Soft Palate 250 Dorsal Metacarpal Bone Disease 252 Dourine 254 Duodenitis-Proximal Jejunitis (Anterior Enteritis, Proximal Enteritis) 256 Dynamic Collapse of the Upper Airway 258 Dystocia 260 Early Embryonic Death (EED) 262 Eastern (EEE), Western (WEE), and Venezuelan (VEE) Encephalitides 264 Eclampsia 266 Ectoparasites 268 Ehrlichiosis, Equine Granulocytic 270 Embryo Transfer (ET) 272 Endometrial Biopsy 274 Endometritis 276 Endotoxemia 280 Enterolithiasis 282 Eosinophilia and Basophilia 284 Eosinophilic Keratitis 285 Epiglottic Entrapment 286 Equine Cushing's Disease 288 Equine Metabolic Syndrome (EMS)/Insulin Resistance (IR) 290 Esophageal Obstruction (Choke) 292 Excessive Maternal Behavior/Foal Stealing 294 Endocorditis, Infective 295 Exercise-Associated Arrhythmias 297 Exertional Rhabdomyolysis Syndrome 298 Exercise-Induced Pulmonary Hemorrhage 300 Expiratory Dyspnea 302 Exudative Optic Neuritis 304 Eyelid Diseases 306 Failure of Transfer of Passive Immunity (FTPI) 308 Fears and Phobias 310 Fell Pony Syndrome 313 Fescue Toxicosis 314 Fetal Stress/Distress/Viability 316 Fever 318 Flexural Limb Deformity 322 Fluid Therapy, Neonate 324 Fumonisins 326 Fungal Pneumonia 328 Fusaria 329 Gamma-Glutamyltransferase (GGT) 330 Gastric Dilation/Distention 332 Gastric Neoplasia 334 Gastric Ulcers and Erosions (Equine Gastric Ulcer Syndrome) 336 Gastric Ulcers, Neonate 338 Getah Virus Infection 340 Glanders 341 Glaucoma 342 Glucose Tolerance Test 344 Glucose 346 Glycogen Branching Enzyme Deficiency 348 Goiter 349 Granulomatous Enteritis 350 Grass Sickness 352 Guttural Pouch Empyema 354 Guttural Pouch Mycosis 356 Guttural Pouch Tympany 357 Head Trauma 358 Heaves (Recurrent Airway Obstruction) 360 Hemangiosarcoma 362 Hemorrhage, Acute 364 Hemorrhage, Chronic 366 Hemorrhagic Nasal Discharge 367 Hemospermia 368 Hendra Virus 369 Hepatic Abscess and Septic Cholangiohepatitis 370 Hepatic Encephalopathy 371 Hereditary Equine Regional Dermal Asthenia 372 Hernias (Umbilical and Inguinal) 373 Herpesvirus Myeloencephalopathy 374 Herpesvirus Types 1 and 4 376 Herpesvirus 3 378 High-Risk Pregnancy, Neonate 380 High-Risk Pregnancy 382 Hydrocephalus 384 Hydrops Allantois/Amnion 386 Hyperkalemic Periodic Paralysis 388 Hyperlipidemia/Hyperlipemia 390 Hyperthermia 392 Hypoxemia 394 Icterus (Prehepatic, Hepatic, and Posthepatic) 396 Idiopathic Colitis 398 Idiopathic Systemic Granulomatous Disease (Sarcoidosis) 400 Ileal Hypertrophy 401 Ileus 402 Immune-Mediated Keratitis 404 Immunoglobulin Deficiencies 405 Impaction 406 Infectious Anemia (EIA) 408 Infectious Arthritis (Nonhematogenous) 410 Inflammatory Airway Disease 412 Influenza 414 Insect Hypersensitivity 416 Inspiratory Dyspnea 418 Insulin Levels/Insulin Tolerance Test 420 Internal Abdominal Abscesses 422 Intestinal Absorption Tests 424 Intra-Abdominal Hemorrhage in Horses 426 Intracarotid Injection 428 Ionophore Toxicosis 430 Iris Prolapse 432 Iron Toxicosis 433 Ischemic Optic Neuropathy 434 Isocoma wrightii (Rayless Goldenrod) Toxicosis 435 Juglans nigra (Black Walnut) Toxicosis 436 Junctional Epidermolysis Bullosa 437 Laminitis 438 Lantana camara (Lantana) Toxicosis 441 Large Colon Torsion 442 Large Ovary Syndrome 444 Large Strongyle Infestation 447 Laryngeal Hemiparesis/Hemiplegia 448 Lavender Foal Syndrome 450 Lawsonia intracellularis Infections in Foals 451 Lead (Pb) Toxicosis 452 Lens Opacities/Cataracts 454 Leptospirosis 456 Lethal White Foal Syndrome 458 Leukocytoclastic Pastern Vasculitis 459 Leukoencephalomalacia 460 Linear Keratosis and Linear Alopecia 461 Locomotor Stereotypic Behaviors 462 Lungworm-Parasitic Bronchitis and Pneumonia 464 Lyme Disease 466 Lymphadenopathy 468 Lymphocytic-Plasmacytic Enterocolitis 469 Lymphocytosis 470 Lymphoid Hyperplasia (Pharyngitis) 472 Lymphopenia 473 Lymphosarcoma 474 Magnesium Disorders 476 Malabsorption 478 Malicious Intoxication 480 Mastitis 482 Maternal Foal Rejection 484 Mast Cell Tumor 485 Meconium Retention 486 Melanoma 487 Melena and Hematochezia 488 Mercury Toxicosis 489 Metacarpo- (Metatarso-)Phalangeal Joint Disease 490 Metaldehyde Toxicosis 491 Methemoglobinemia 492 Methylxanthine Toxicosis 494 Mitral Regurgitation 496 Monocytosis 498 Motor Neuron Disease 500 Multiple Endocrine Neoplasia 502 Multiple Myeloma 503 Multisystemic Eosinophilic Epitheliotropic Disease 504 Myeloproliferative Diseases 506 Myocardial Disease 508 Narcolepsy and Cataplexy 510 Navicular Syndrome 511 Neonatal Isoerythrolysis 512 Nerium oleander (Oleander) Toxicosis 514 Neutropenia 516 Neutrophilia 518 Nitrate/Nitrite Toxicosis 520 Nonulcerative Keratouveitis 521 Nutrition in Foals 522 Nutritional Secondary Hyperparathyroidism (NHP) 524 Ocular/Adnexal Squamous Cell Carcinoma 526 Ocular Examination 528 Ocular Problems in the Neonate 529 Omphalophlebitis 532 Optic Nerve Atrophy 534 Oral Neoplasia 536 Oral Sterotypic Behaviors 538 Oral Ulcers 540 Orbital Disease 542 Organophosphate and Carbamate Toxicosis 544 Osmolality, Hyperosmolality 546 Osteoarthritis 548 Osteochondrosis 550 Ovulation Failure 552 Pancreatic Disease 554 Pancytopenia 555 Panicum coloratum (Kleingrass) Toxicosis 556 Papillomatosis 557 Paraphimosis 558 Pastern Dermatitis 560 Patent Ductus Arteriosus 562 Patent Urachus 564 Pentachlorophenol (PCP) Toxicosis 565 Pemphigus Foliaceus 566 Penetrating Injuries to the Foot 567 Penile Lacerations 568 Penile Paralysis 569 Penile Vesicles, Erosions, and Tumors 570 Pericarditis 572 Perinatal Asphyxia Syndrome 574 Perineal Lacerations/Recto-Vaginal-Vestibular Fistulas 576 Periocular Sarcoid 578 Periodontal Disease 580 Peritonitis 582 Petechiae, Ecchymoses, and Hematomas 583 Pheochromocytoma 584 Phimosis 585 Phosphorus, Hyperphosphatemia 586 Phosphorus, Hypophosphatemia 588 Photic Headshaking 590 Photosensitization 592 Pica 594 Pigmenturia (Hematuria, Hemoglobinuria, and Myoglobinuria) 595 Placental Basics 598 Placental Insufficiency 599 Placentitis 600 Pleural Fluid Cytology 602 Pleuropneumonia 603 Pneumonia, Neonatal 604 Pneumothorax 606 Pneumovagina/Pneumouterus 607 Poisoning (Intoxication)-General Principles 608 Polycythemia 610 Polyneuritis Equi 612 Polysaccharide Storage Myopathy 613 Polyuria (PU) and Polydipsia (PD) 614 Postpartum Metritis 616 Potassium, Hyperkalemia 618 Potassium, Hypokalemia 619 Potomac Horse Fever (PHF) 620 Pregnancy Diagnosis 622 Premature Placental Separation 624 Prepubic Tendon Rupture 626 Priapism 628 Primary Hyperparathyroidism 629 Progressive Ethmoidal Hematoma 630 Proliferative Optic Neuropathy 631 Prolonged Diestrus 632 Prolonged Pregnancy 634 Protein, Hyperfibrinogenemia 636 Protein, Hyperproteinemia 638 Protein, Hypoproteinemia 640 Protein-Losing Enteropathy (PLE) 642 Protozoal Myeloencephalitis (EPM) 644 Ptyalism 646 Purpura Hemorrhagica 648 Purulent Nasal Discharge 650 Pyometra 652 Pyrrolizidine Alkaloid Toxicosis 654 Quercus spp. (Oak) Toxicosis 656 Rabies 657 Rectal Prolapse 658 Rectal Tear 660 Recumbent Horse 662 Recurrent Uveitis 664 Regurgitation/Vomiting/Dysphagia 666 Retained Deciduous Teeth 668 Retained Fetal Membranes 669 Rhodococcus equi 670 Rib Fractures in Foals 672 Right and Left Dorsal Displacement of the Colon 674 Right Dorsal Colitis 676 Robinia pseudoacacia (Black Locust) Toxicosis 678 Salmonellosis 680 Sand Impaction and Enteropathy 682 Sarcoid 684 Scrambling in Trailers 686 Seizure Disorders 688 Seizures in Foals 690 Selenium Intoxication 692 Self-Mutilation 693 Septic Arthritis, Neonatal 694 Septic Meningoencephalomyelitis 696 Septicemia, Neonatal 698 Severe Combined Immunodeficiency 700 Shivers (Shivering) 701 Sinusitis (Paranasal) 702 Slaframine Toxicosis 704 Small Strongyle Infestation 705 Small Intestinal Obstruction 706 Smoke Inhalation 708 Snake Envenomation 710 Sodium, Hypernatremia 712 Sodium, Hyponatremia 713 Solanum spp. (Nightshade) Toxicosis 714 Solar Abscess 715 Soluble Oxalate Toxicosis 716 Sorbitol Dehydrogenase (SDH)/Iditol Dehydrogenase (IDH) 718 Sorghum spp. Toxicosis 720 Spermatogenesis and Factors Affecting Sperm Production 722 Spider Envenomation 724 Splenomegaly 725 Stallion Sexual Behavior Problems 726 Staphylococcal Infections 728 Stationary Night Blindness 730 Streptococcus equi Infection 732 Stress Fractures 734 Summer Pasture-Associated Obstructive Pulmonary Disease 736 Superficial Nonhealing Ulcers with Anterior Stromal Sequestration 738 Supraventricular Arrhythmias 740 Suspensory Desmitis 742 Synchronous Diaphragmatic Flutter 743 Synovial Fluid 744 Temporohyoid Osteoarthropathy 746 Tendonitis 748 Tenesmus 750 Teratoma 751 Tetanus 752 Tetralogy of Fallot 754 Thoracic Trauma 756 Thrombocytopenia 758 Thrombocytosis 760 Thyroid Tumors 761 Toxic Hepatopathy 762 Trailer Loading/Unloading Problems 764 Training and Learning Problems 766 Tremorgenic Mycotoxin Toxicoses 769 Thyroid-Releasing Hormone (TRH) and Thyroid-Stimulating Hormone (TSH) Stimulation Tests 770 Tricuspid Regurgitation 772 Trifolium hybridium (Alsike Clover) Toxicosis 774 Tropane Alkaloids 775 Trypanosomiasis 776 Tuberculosis 777 Tumors of Respiratory System 778 Twin Pregnancy 780 Tyzzer's Disease ( Clostridium piliformis ) 782 Ulcerative Keratomycosis 784 Upward Fixation of the Patella 786 Urinalysis 788 Urinary Incontinence 790 Urinary Tract Infection (UTI) 792 Urine Pooling/Urovagina 794 Urolithiasis 796 Uroperitoneum, Neonatal 798 Urticaria 800 Uterine Inertia 802 Uterine Torsion 804 Vaccination Protocols 806 Vaginal Prolapse 808 Vaginitis and Vaginal Discharge 809 Ventricular Arrhythmias 810 Ventricular Septal Defect (VSD) 814 Verminous Meningoencephalomyelitis 816 Vesicular Stomatitis 817 Vicia villosa (Hairy Vetch) Toxicosis 818 Viral and Herpes Keratitis 819 Viral Arteritis 820 Vision 822 Vulvar Conformation 824 Weaning Separation Stress 826 West Nile Virus 828 White Muscle Disease 830