kuliah umum blok saraf
DESCRIPTION
sarafffTRANSCRIPT
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KULIAH UMUM BLOK SARAFRINI ANDRIANI
BAGIAN ILMU PENYAKIT SARAF
FK UNTAR
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UMN DAN LMN
KELAINAN UPPER MOTOR NEURON :-Vaskular, tumor, infeksi, trauma, degeneratif, metabolik-Kejang-Sakit kepala (cefalgia)
KELAINAN LOWER MOTOR NEURON:Vaskular, tumor, infeksi/inflamasi, degeneratif, trauma, metabolik, obat2an
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GEJALA KLINIS
Kelumpuhan spastik Normotrofi atau atrofi
krn disuse Hipertonus Reflek fisiologis
meningkat Reflek patologis + Fasikulasi dan fibrilasi
+
Kelumpuhan flacid Normotrofi atau atrofi
Hipotonus Reflek fisiologis
menurun Reflek patologis - Fasikulasi dan fibrilasi
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UPPER MOTOR NEURON LOWER MOTOR NEURON
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CEREBROVASCULAR DISEASE
Any abnormality of the brain resulting from a pathologic process of blood vessels—arteries, arterioles, capillaries, veins, or sinuses.
The pathologic change in the vessels takes the form of occlusion by thrombus or embolus, or of rupture.
The resulting abnormalities in the brain are of two types: ischemia, with and without infarction, and hemorrhage
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CEREBROVASCULER DISEASE
Other forms of cerebrovascular disease are those due to altered permeability of the vascular wall, hypertension, and increased viscosity or other changes in the quality of blood.
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ISCHEMIC STROKE
Transient Ischemic Attacks (TIAs) : transitory neurologic defects due to ischemia in a particular angioanatomic territory, lasting for minutes to hours and followed by complete restoration of function.
Embolic infarction Lacunar infarction
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INTRACRANIAL HEMORRHAGE
Spontaneous Subarachnoid Hemorrhage due to Ruptured Saccular Aneurysm
Primary Intracerebral Hemorrhage Arteriovenous Malformation (AVM)
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Craniocerebral Trauma
The basic problem is both simple & complex
simple because there is usually no question about the cause and complex because of the abstruse nature of a number of secondary and delayed effects.
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PRIMARY INJURY
Skull Fractures Concussion and Contusion Diffuse Axonal Injury Acute Epidural Hemorrhage Acute and Chronic Subdural Hematomas Penetrating Injuries
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SECONDARY INJURY
Hypoxia, hypotension Elevated intracranial pressure Hyperglicemia, Seizures Deep Venous Thrombosis and Pulmonary
Embolism Hyperthermia, infection
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NEUROIMAGING
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NEUROIMAGING
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Intracranial Neoplasms
Benign or malignant (1) primary tumors (2) secondary tumors
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Primary brain tumors
Pilocytic astrocytoma, grade I, Astrocytoma, grade II
Anaplastic astrocytoma, grade III, Glioblastoma multiforme, grade IV
Oligodendroglioma, Ependymoma Choroid plexus papilloma, Neuronal tumors
or mixed tumors (e.g., ganglioglioma) Embryonal tumors (medulloblastoma, PNET) Pineal parenchymal tumors
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Other intracranial tumors
Metastatic tumors (breast and lung most common)
Meningeal tumors (meningioma), Vascular tumors (hemangioblastomas), Pituitary adenomas
Germ cell tumors (germinoma, teratoma) Primary CNS lymphoma, Nerve sheath tumors
(vestibular schwannoma) Developmental tumors (craniopharyngioma,
epidermoid, colloid cyst), Chondroid matrix tumors (chondrosarcoma, chordoma)
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INFECTIONS
Infections involving the nervous system carry a high morbidity and mortality, particularly in developing countries where the burden of disease is great, diagnosis is difficult and limited
resources mean that availability and access to treatment is poor.
In the developed world, neurological infection is less frequent but continues to cause signifi cant problems of diagnosis and management.
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INFECTIONS
Infections of the nervous system can be caused by viruses, bacteria, fungi or protozoa.
They may affect the lining of the brain, CSF, brain parenchyma, spinal cord, nerve roots, peripheral nerve or muscle.
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INFECTIONS
meningitis : infl ammation involving the pia and arachnoid mater and the subarachnoid space.
Encephalitis is infection and inflammation within the brain parenchyma.
Focal infection causes abscess formation within or immediately adjacent to the brain or spinal cord.
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INFECTIONS
These patterns may overlap and when infection involves the meninges, brain, spinal cord and nerve roots the descriptive compound terms are used: meningo-encephalitis, meningo-myelitis, encephalo-myelitis, meningo-radiculitis and meningo-encephalomyelitis.
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EPILEPSY
epilepsy is as a disorder of brain characterized by an ongoing liability to recurrent epileptic seizures.
An epileptic seizure is transient clinical manifestations that result from an episode of epileptic neuronal activity.
The epileptic neuronal activity is a specific dysfunction, characterized by abnormal synchronization, excessive excitation and/or inadequate inhibition, and can affect small or large neuronal populations.
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CLINICAL SIGNS
Sudden and usually brief, include motor, psychic, autonomic and sensory phenomenon, with or without alteration in consciousness or awareness
the symptoms depend on the part of the brain involved in the epileptic neuronal discharge, and the intensity of the discharge
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Headache (CEPHALGIA)
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