Loss of judgement Lack of concentration Lack of muscle control Inability to perform delicate of skill requiring tasks Drowsiness Weakness Agitation Loss of consciousness Euphoria

Increased breathing rate Increased sweating Inability to concentrate Shortness of breath, suffocation Confusion Headache Drowsiness Loss of consciousness Convulsions

Unconsciousness Pulmonary edema Increased respiratory rate

Carbon Monoxide Poisoning

Headache Dizziness Confusion Nausea Vomiting Tightness across forehead

Hallmark symptoms of middle ear squeeze

sharp pain, fullness in ear, mild vertigo caused by stretching of eardrum

Extreme fatigue Dizziness Vision abnormalities, vertigo Nausea/vomiting Hearing abnormalities Bloody sputum Loss of coordination Tremors Loss of control of bodily functions Numbness Blow to chest Personality changes Unconsciousness Paralysis

Sense of well being Lack of concern for job safety Loss of judgement, skill Apparent stupidity Inappropriate laughter Numbness, tingling in lips/gums

Visual symptoms (blurred vision, tunnel vision) Ear symptoms (ringing, roaring, tinnitus) Nausea , vomiting Twitching, tingling Irritability Dizziness Convulsions

Pain Skin symptoms swelling and/or pain in lymph nodes

sudden, sharp, chest pain followed by shortness of breath, labored breathing, rapid heart rate, weak pulse, anxiety

mediastinal emphysema

mild to moderate pain under breastbone (dull ache or feeling of tightness)

subcutaneous emphysema

pain may radiate to shoulder fullness in neck difficulty swallowing voice change Crepitation

slurred speech slow judgement fatigue shivering

Respirations shallow, irregular, laboured Eyes vacant, lackluster Pupils dilated Skin pale, grey, wet, clammy, cold Cyanosis Pulse weak and rapid, or normal Retching, nausea, vomiting, hiccups Blood pressure drop Thirst

DCS Type II cardiopulmonary

chest pain aggravated by deep inspiration and/or irritating cough increased lung congestion can progress to circulatory collapse

DCS Type II neurological

numbness paresthesias decreased sensation to touch weakness paralysis mental status changes motor performance changes

DCS Type II inner ear

tinnitus hearing loss vertigo dizziness nausea vomiting

Severe headache neurological symptoms rapid heart rate mental status changes

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Symptoms

Question	Answer
hypoxia	Loss of judgement Lack of concentration Lack of muscle control Inability to perform delicate of skill requiring tasks Drowsiness Weakness Agitation Loss of consciousness Euphoria
hypercapnea	Increased breathing rate Increased sweating Inability to concentrate Shortness of breath, suffocation Confusion Headache Drowsiness Loss of consciousness Convulsions
near drowning	Unconsciousness Pulmonary edema Increased respiratory rate
Carbon Monoxide Poisoning	Headache Dizziness Confusion Nausea Vomiting Tightness across forehead
Hallmark symptoms of middle ear squeeze	sharp pain, fullness in ear, mild vertigo caused by stretching of eardrum
AGE	Extreme fatigue Dizziness Vision abnormalities, vertigo Nausea/vomiting Hearing abnormalities Bloody sputum Loss of coordination Tremors Loss of control of bodily functions Numbness Blow to chest Personality changes Unconsciousness Paralysis
nitrogen narcosis	Sense of well being Lack of concern for job safety Loss of judgement, skill Apparent stupidity Inappropriate laughter Numbness, tingling in lips/gums
CNS O2 Toxicity	Visual symptoms (blurred vision, tunnel vision) Ear symptoms (ringing, roaring, tinnitus) Nausea , vomiting Twitching, tingling Irritability Dizziness Convulsions
pulmonary O2 Toxicity	Coughing Burning Dyspnea
DCS Type I	Pain Skin symptoms swelling and/or pain in lymph nodes
pneumothorax	sudden, sharp, chest pain followed by shortness of breath, labored breathing, rapid heart rate, weak pulse, anxiety
mediastinal emphysema	mild to moderate pain under breastbone (dull ache or feeling of tightness)
subcutaneous emphysema	pain may radiate to shoulder fullness in neck difficulty swallowing voice change Crepitation
mild hypothermia	slurred speech slow judgement fatigue shivering
moderate hypothermia	shivering uncontrolled
severe hypothermia	shivering stops shock
shock	Respirations shallow, irregular, laboured Eyes vacant, lackluster Pupils dilated Skin pale, grey, wet, clammy, cold Cyanosis Pulse weak and rapid, or normal Retching, nausea, vomiting, hiccups Blood pressure drop Thirst
DCS Type II cardiopulmonary	chest pain aggravated by deep inspiration and/or irritating cough increased lung congestion can progress to circulatory collapse
DCS Type II neurological	numbness paresthesias decreased sensation to touch weakness paralysis mental status changes motor performance changes
DCS Type II inner ear	tinnitus hearing loss vertigo dizziness nausea vomiting
severe CO Poisoning	Severe headache neurological symptoms rapid heart rate mental status changes

Created by: DivingKnowledge

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