Patho-physiology of nervous System Talk 2 – Syndromes in neurosciences

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Presentation transcript:

Patho-physiology of nervous System Talk 2 – Syndromes in neurosciences Petr Maršálek Dept pathological physiology 1.Med. F. CUNI

Talks on NS Talk 1 - Pain and Motor disorders Talk 2 - This - Syndromes in neurosciences Talk 3 - Disorders of special senses Talk 4 - Cognitive functions, dementias, etc. of 23

Syndromes 1) hypoxia of CNS 2) carbon mono-oxide poisoning 3) liquor circulation disorders 4) cerebral oedema 5) intra-cranial hypertension 6) intra-cranial hemorrhage 7) systemic neuro-muscular plate disorders 8) seizures – epilepsy and migraine 9) sleep/ wake cycle disorders 10) vomiting as a sign of NS of 23

Hypo-perfusion, brain hypoxia Cerebrovascular brain disease. Hypo-perfusion, brain hypoxia of 23

Topic signs of 23

Acute carbon-monooxide poisoning Concentration Symptoms 35 ppm (0.0035%) Headache and dizziness within six to eight hours of constant exposure 100 ppm (0.01%) Slight headache in two to three hours 200 ppm (0.02%) Slight headache within two to three hours; loss of judgment 400 ppm (0.04%) Frontal headache within one to two hours 800 ppm (0.08%) Dizziness, nausea, and convulsions within 45 min; insensible within 2 hours (700 ppm – Mars atmosphere) 1,600 ppm (0.16%) Headache, tachycardia, dizziness, and nausea within 20 min; death in less than 2 hours 3,200 ppm (0.32%) Headache, dizziness and nausea in five to ten minutes. Death within 30 minutes. 6,400 ppm (0.64%) Headache and dizziness in one to two minutes. Convulsions, respiratory arrest, and death in less than 20 minutes. 12,800 ppm (1.28%) Unconsciousness after 2-3 breaths. Death in less than three minutes. of 23

Acute CO poisoning – blood gases affinity to Hb of 23

Blood gases of 23

of 23

of 23

of 23

Intracranial hypertension, subjective signs headache, nausea, vomiting, blurred vision objective signs vomiting, papilla nervi optici (n. II) bradycardia, hypertension, loss of consciusness, coma of 23

Obstructive hydrocephalus of 23

Angiografic findings in intra-cranial expansions (Bartko, 1985) of 23

Intracranial hemorrhage of 23

Glasgow coma scale of 23

Disorders of Neuromuscular transmission

Disorders of Neuromuscular transmission

Artificial ventilation/ Iron lung Ventilation can be delivered via: Hand-controlled ventilation such as: Bag-Valve-Mask Resuscitator Continuous-flow or Anaesthesia (or T-piece) bag A mechanical ventilator. Iron lung is a historical type of mechanical ventilator of 23

Demyelination – sclerosis multiplex of 23

EEG atlas B Normal findings: EEG waves: Alpha waves, 8-13 Hz, parieto-occipital region, marked in closed eyes Beta waves, 14-30 Hz, frontal region Gamma waves, 40-60 Hz, are not regularly used due to interference with electric power net. Delta waves, < 4 Hz, e.g in synchronous phase of sleep. Theta waves, 4-7 Hz, e.g in synchronous phase of sleep. of 23

Epilepsy: Cortico- Thalamic and Thalamo-cortical feedback system modulating sensory inputs of 23

Migraine – phosphenes of 23

Migraine - scotomas of 23

Sleep/ wake cycle of 23

Sleep/ wake cycle + narcolepsy and reticular formation effects of 23

Vomiting center/ causes of vomiting

Causes of vomiting 1 Intracranial hypertension - irritation 2 Drugs – nicotine, apomorphine, etc 3 Kinetosis 4 Radiation disease 5 Pregnancy 6 Psychogenic 7 Pharyngeal irritation 8 Local gastric irritation – food poisoning 9 Peritoneal irritation, ileus 10 Other internal organs – heart etc of 23

Autonomous nervous system disorders. Sympathetic Autonomous nervous system disorders. of 23

Parasympathetic of 23