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MSD Vet Manual LogoMANUAL MSDManual de veterinária
PROFISSIONAIS VETERINÁRIOSDONOS DE ANIMAIS DE ESTIMAÇÃORECURSOSINFORMAÇÕES SOBRE
homePROFISSIONAIS VETERINÁRIOSDONOS DE ANIMAIS DE ESTIMAÇÃO
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  1. <Assuntos veterinários
    Nervous System
    The Neurologic Examination
    • The Neurologic Examination of Animals
      • Taking a History
      • Evaluating Posture
      • Assessing Mentation and Behavior
      • Examining the Cranial Nerves
        • Cranial Nerve I (Olfactory Nerve)
        • Cranial Nerve II (Optic Nerve)
        • Cranial Nerves III, IV, and VI (Oculomotor, Trochlear, and Abducens Nerves)
        • Cranial Nerve V (Trigeminal Nerve)
        • Cranial Nerve VII (Facial Nerve)
        • Cranial Nerve VIII (Vestibulocochlear Nerve)
        • Cranial Nerves IX and X (Glossopharyngeal and Vagus Nerves)
        • Cranial Nerve XI (Spinal Accessory Nerve)
        • Cranial Nerve XII (Hypoglossal Nerve)
      • Evaluating Gait
        • Ataxia
        • Weakness
        • Lameness
      • Assessing Postural Reactions
        • Proprioceptive Positioning
        • Hopping Reaction
        • Placing Response
      • Testing Spinal Reflexes
        • Patellar Reflex
        • Pelvic Limb Withdrawal Reflex
        • Thoracic Limb Withdrawal Reflex
        • Perineal Reflex
        • Cutaneous Trunci Reflex
      • Palpation
      • Evaluating Nociception
        • Superficial Pain
        • Deep Pain
      • Neuroanatomical Localization
        • Forebrain
        • Brainstem
        • Cerebellum
        • C1-C5 Spinal Segments
        • C6-T2 Spinal Segments
        • T3-L3 Spinal Segments
        • L4-S3 Spinal Segments
        • Peripheral Nerve Lesions
        • Muscle Disorders
      • For More Information
    Bovine Spongiform Encephalopathy
    • Bovine Spongiform Encephalopathy
      • Etiology
      • Transmission, Epidemiology, and Pathogenesis
        • References
      • Clinical Findings
      • Diagnosis
      • Treatment and Control
      • Zoonotic Risk
      • Key Points
      • For More Information
    Central Nervous System Diseases Caused by Helminths and Arthropods
    • Overview of Central Nervous System Diseases in Animals Caused by Helminths and Arthropods
      • Immature (Larval) Stages of Parasites of Carnivorous Animals
      • Immature Stages of Parasites Exhibiting a Neurotropic Affinity
      • Erratic or Aberrant Parasites
      • Incidental Parasites
      • Facultative Parasites
      • Treatment and Control
      • For More Information
    • Cestodes Causing CNS Disease in Animals
      • Coenurosis
      • Cysticercosis
      • Echinococcosis
      • For More Information
    • Trematodes Causing CNS Disease in Animals
      • Paragonimiasis
      • Schistosomiasis
      • Troglotremiasis
      • For More Information
    • Nematodes Causing CNS Disease in Animals
      • Ascarids
      • Filarids
      • Metastrongyles
        • References
        • Meningeal worm (Parelaphostrongylus tenuis)
      • Canine neuroangiostrongylosis
        • Etiology
        • Pathogenesis and Clinical Findings
        • Diagnosis
        • Treatment and Control
      • Rhabditoids
      • Miscellaneous Nematodes
      • For More Information
    • Arthropods that Cause CNS Disease in Animals
      • For More Information
    Chronic Wasting Disease
    • Chronic Wasting Disease
      • Etiology
      • Transmission, Epidemiology, and Pathogenesis
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment and Control
      • Zoonotic Risk
      • Key Points
      • For More Information
    Congenital and Inherited Anomalies of the Nervous System
    • Congenital and Inherited Anomalies of the Nervous System in Animals
    • Congenital and Inherited Cerebral Disorders in Animals
      • Large Animals
      • Small Animals
    • Congenital and Inherited Cerebellar Disorders in Animals
      • Large Animals
      • Small Animals
    • Congenital and Inherited Brain Stem Disorders in Animals
      • Small Animals
    • Congenital and Inherited Spinal Cord Disorders in Animals
      • Large Animals
      • Small Animals
    • Neuromuscular Disorders in Animals
      • Large Animals
      • Small Animals
    • Congenital and Inherited Multifocal Disorders of the Nervous System in Animals
      • Large Animals
        • Generalized Metabolic and Lysosomal Storage Disorders
      • Small Animals
        • Lysosomal Storage Disorders
    • Miscellaneous Congenital Disorders of the Nervous System in Animals
      • Large Animals
      • Small Animals
    Diseases of the Peripheral Nerves and Neuromuscular Junction
    • Overview of Diseases of the Peripheral Nerves and Neuromuscular Junction in Animals
    • Degenerative Disorders of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Acquired Laryngeal Paralysis
      • Canine Chronic Axonal Degeneration
      • Dancing Doberman Disease
      • Distal Denervating Disease
      • Distal Polyneuropathy of Rottweilers
      • Idiopathic Facial Paralysis
      • Laryngeal Paralysis in Horses
      • Stringhalt (Equine Reflex Hypertonia)
    • Inflammatory Disorders of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Acquired Myasthenia Gravis
      • Acute Idiopathic Polyradiculoneuritis
      • Chronic Relapsing Idiopathic Polyradiculoneuritis
      • Chronic Inflammatory Demyelinating Polyneuropathy
      • Polyneuritis Equi
      • Protozoal Polyradiculoneuritis
      • Sensory Ganglioneuritis
      • Trigeminal Neuritis
    • Metabolic Disorders of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Diabetic Neuropathy
      • Hypothyroid Neuropathy
    • Neoplasia of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Nerve Sheath Tumors
      • Paraneoplastic Neuropathy
    • Nutritional Disorders of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Pantothenic Acid Deficiency
      • Riboflavin Deficiency in Chickens
    • Toxic Disorders of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Botulism
      • Ionophore Toxicity
      • Organophosphate Poisoning
      • Tick Paralysis
    • Trauma of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Brachial Plexus Avulsion
      • Calving Paralysis
      • Facial Nerve Trauma
      • Peripheral Nerve Injuries
    • Vascular Diseases of the Peripheral Nerves and Neuromuscular Junction in Animals
      • Ischemic Neuromyopathy
    Diseases of the Spinal Column and Cord
    • Overview of Diseases of the Spinal Column and Cord in Animals
    • Degenerative Diseases of the Spinal Column and Cord in Animals
      • Cervical Spondylomyelopathy
      • Degenerative Lumbosacral Stenosis
      • Degenerative Myelopathy of Dogs
      • Equine Degenerative Myeloencephalopathy
      • Intervertebral Disk Disease
      • Diffuse Idiopathic Skeletal Hyperostosis
      • Equine Motor Neuron Disease
      • Degeneration of Motor Neurons
      • Metabolic Storage Disorders
      • Spondylosis Deformans
    • Inflammatory and Infectious Diseases of the Spinal Column and Cord in Animals
      • Bacterial Diseases
      • Rickettsial Diseases
      • Viral Diseases
      • Fungal Diseases
      • Protozoal Diseases
      • Parasitic Diseases
      • Idiopathic Inflammatory Diseases
    • Neoplasia of the Spinal Column and Cord in Animals
    • Nutritional Disorders of the Spinal Column and Cord in Animals
      • Copper Deficiency
      • Hypervitaminosis A
      • Thiamine Deficiency
    • Trauma of the Spinal Column and Cord in Animals
    • Toxicoses of the Spinal Column and Cord in Animals
      • Arsenic Poisoning
      • Delayed Organophosphate Intoxication
      • Sorghum Poisoning
      • Tetanus
    • Vascular Diseases of the Spinal Cord in Animals
      • Fibrocartilaginous Embolism
      • Postanesthetic Hemorrhagic Myelopathy in Horses
    Dysautonomia
    • Feline Dysautonomia
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment and Prognosis
      • Key Points
      • For More Information
      • References
    • Canine Dysautonomia
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment and Prognosis
      • Key Points
      • For More Information
    • Leporine Dysautonomia
    • Equine Dysautonomia
      • Etiology
      • Clinical Findings
      • Diagnosis
        • Eye Drop Test
        • Biopsies
      • Treatment
      • Lesions
      • Prevention
      • Key Points
      • For More Information
      • References
    • Overview of Dysautonomia in Animals
    Epilepsy in Small Animals
    • Epilepsy in Small Animals
      • Etiology
      • Clinical Findings
      • Diagnosis
      • Treatment
        • Initiation of Antiseizure Medications
        • General Concepts of Antiseizure Therapy
        • Specific Antiseizure Medications in Epilepsy
      • Key Points
      • For More Information
      • References
    Equine Arboviral Encephalomyelitis
    • Equine Arboviral Encephalomyelitis
      • Etiology and Epidemiology
        • Alphaviruses
        • Flaviviruses
        • Bunyaviruses
      • Zoonotic Risk
      • Clinical Findings
        • Lesions on Post-mortem Examination
      • Diagnosis
      • Treatment
      • Prognosis
      • Prevention
      • Key Points
      • For More Information
    Equine Protozoal Myeloencephalitis
    • Equine Protozoal Myeloencephalitis
      • Etiology and Epidemiology
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment
      • Prevention and Control
      • Key Points
      • For More Information
      • References
    Facial Paralysis
    • Facial Paralysis in Animals
      • Clinical Findings and Lesions
      • Diagnosis
      • Treatment and Prognosis
      • Key Points
      • For More Information
    Limb Paralysis
    • Limb Paralysis in Animals
      • Clinical Findings and Lesions
        • Thoracic Limb
        • Pelvic Limb
      • Diagnosis and Treatment
      • Key Points
    Louping Ill
    • Louping Ill in Animals
      • Etiology and Transmission
      • Pathogenesis, Clinical Findings, and Lesions
      • Diagnosis
      • Treatment and Control
      • Zoonotic Risk
      • Key Points
      • References
    Meningitis, Encephalitis, and Encephalomyelitis
    • Meningitis, Encephalitis, and Encephalomyelitis in Animals
      • Etiology and Pathogenesis
        • Bacterial Infections
        • Viral Infections
        • Infections Caused by Parasites
        • Fungal Infections
        • Idiopathic/Immune Mediated
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment
      • Key Points
      • For More Information
    Motion Sickness
    • Motion Sickness in Animals
      • For More Information
    Myelin Disorders
    • Myelin Disorders in Animals
      • Central Myelinopathy
        • Hypomelination
        • Dysmyelination
        • Spongy Degeneration
      • Etiology
      • Clinical Findings
        • Lesions
        • CNS Hypomyelination
        • PNS Hypomyelination
      • Diagnosis
        • Central Nervous System
        • Peripheral Nervous System
      • Treatment, Control, and Prevention
      • Key Points
      • References
      • For More Information
    Neoplasia of the Nervous System
    • Neoplasia of the Nervous System in Large Animals
      • Nervous System Neoplasia of Horses
        • Intracranial Neoplasia in Horses
        • Spinal and Peripheral Nerve Neoplasia in Horses
      • Nervous System Neoplasia of Cattle
        • Intracranial Neoplasia of Cattle
        • Spinal and Peripheral Neoplasia of Cattle
      • Nervous System Neoplasia of Other Large Animals
      • Key Points
      • For More Information
      • References
    • Neoplasia of the Nervous System in Small Animals
      • Classification
      • Epidemiology
      • Clinical Characteristics
        • Brain Tumors in Small Animals
        • Spinal Cord Tumors in Small Animals
        • Tumors of the Peripheral Nerves in Small Animals
        • Other Clinical Syndromes Associated With Tumors of the Nervous System
      • Diagnosis
        • Radiography in Neoplasia of the Nervous System
        • Myelography in Neoplasia of the Nervous System
        • MRI in Neoplasia of the Nervous System
        • CT in Neoplasia of the Nervous System
        • CSF Analysis in Neoplasia of the Nervous System
      • Prognosis and Treatment
      • Key Points
      • For More Information
      • References
    Polioencephalomalacia
    • Polioencephalomalacia in Ruminants
      • Etiology, Pathogenesis, and Epidemiology
      • Thiamine-Associated Polioencephalomalacia
      • Sulfur-Associated Polioencephalomalacia
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment and Prevention
      • Key Points
      • References
    Pseudorabies
    • Pseudorabies in Pigs
      • Etiology
      • Epidemiology
      • Clinical Findings and Pathogenesis
        • Lesions
      • Diagnosis
      • Treatment and Control
      • Key Points
    Raiva
    • Raiva em animais
      • Etiologia
        • Classificação do genoma viral
        • Estrutura
        • Replicação
        • Mecanismos patogênicos
      • Epidemiologia
        • Distribuição geográfica
        • Período de incubação
        • Dinâmica de transmissão
      • Achados clínicos
        • Forma furiosa
        • Forma paralítica
        • Variações entre espécies
      • Diagnóstico
      • Prevenção e controle
        • Gestão de animais domésticos
        • Vacinação oral de animais silvestres
        • Desinfecção
      • Tratamento de casos suspeitos de raiva – exposição de animais de estimação
      • Risco zoonótico
      • Pontos-chave
      • Referências
      • Para obter mais informações
    Scrapie
    • Scrapie
      • Etiology, Transmission, and Pathogenesis
        • Etiology
        • Resistance and Susceptibility
        • Transmission
        • Pathogenesis
      • Clinical Findings
      • Diagnosis
      • Control
        • Trans-species Transmission
        • References
      • Key Points
      • For More Information
    Sporadic Bovine Encephalomyelitis
    • Sporadic Bovine Encephalomyelitis
      • Etiology and Epidemiology
      • Clinical Findings
        • Lesions of Sporadic Bovine Encephalomyelitis
      • Diagnosis
      • Treatment
      • Key Points
      • References
    Stray Voltage in Animal Housing
    • Stray Voltage in Animal Housing
      • Clinical Findings
      • Diagnosis
      • Prevention and Control
      • Key Points
      • For More Information
      • References
    Teschovirus Encephalomyelitis
    • Teschovirus Encephalomyelitis
      • Etiology, Epidemiology, and Pathogenesis
      • Clinical Findings
        • Lesions
      • Diagnosis
      • Treatment and Control
      • Key Points
      • For More Information
    Tick Paralysis
    • Tick Paralysis in Animals
      • Etiology and Pathogenesis
      • Epidemiology
      • Clinical Findings
      • Diagnosis
      • Treatment
      • Prognosis
      • Prevention and Control
      • For More Information
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