Viscosity - b. GI Irritation and burning- often spontaneous emesis. Lungs Aspiration - low viscosity substances creep into trachea and into lungs. Not due to systemic absorption or to inhalation, but to liquid hydrocarbon affecting surfactant and lung tissue directly. Aliphatics are primarily depressive With aromatic hydrocarbons- more likely to go through euphoria and hyper activity stages.
Cardiac arrhythmias can result from hydrocarbons sensitizing the heart to catacholamines.
This happens especially well with aromatic and halogenated hydrocarbons. Cerebral cortex 2. Sensory nerves 4. Liver, kidney 5. Motor weakness may also occur Onset delay for months to year.