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Presentation comparison
Emergency4 of 8 diagnoses compared
| CriteriaComparison detail | CannabisEmergency |
|---|
Toxidrome clues: pupils, respiratory rate, nystagmus, tremor, diaphoresis, sympathetic overdrive.
Clinical reference — not validated decision support. Review before use.
| MethamphetamineEmergency |
|---|
| BenzodiazepinesEmergency |
|---|
| HallucinogensEmergency |
|---|
| AlcoholEmergencyNot selected |
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| OpioidsEmergencyNot selected |
|---|
| GHBEmergencyNot selected |
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| InhalantsEmergencyNot selected |
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| Why it fits | Conjunctival injection, slowed time perception, anxiety, paranoia, derealisation | Agitation, paranoia, pressured speech, insomnia, tachycardia, hypertension, dilated pupils | Sedation, ataxia, slurred speech, disinhibition, amnesia | Visual distortion, synaesthesia, altered perception, panic | Slurred speech, ataxia, disinhibition, aggression, nystagmus | Pinpoint pupils, sedation, reduced respiratory rate, reduced consciousness | Rapid sedation, fluctuating consciousness, amnesia, sudden sleep | Euphoria, confusion, ataxia, nystagmus, perioral rash |
|---|---|---|---|---|---|---|---|---|
| What argues against | Applies to the whole presentationReview locally. | |||||||
| Must-not-miss | Severe panic, paranoia, self-harm, psychosis | Hyperthermia, chest pain, arrhythmia, stroke, violent agitation | Respiratory depression if combined with opioids/alcohol. | Severe agitation, accidents, prolonged psychosis | Head injury | |||
| Bedside question | Applies to the whole presentationToxidrome clues: pupils, respiratory rate, nystagmus, tremor, diaphoresis, sympathetic overdrive. | |||||||
| Immediate action | Applies to the whole presentationDo not assume alcohol explains everything, especially after trauma Cannabis can produce anxiety, psychosis, and depersonalisation | |||||||
| Investigations | Applies to the whole presentationBlood glucose | |||||||
| Mimics / overlap | Applies to the whole presentationReview overlap locally. | |||||||
Scroll horizontally to review more candidate differentials. Clinical reference — not validated decision support. Review before use.
Review locally.
Toxidrome clues: pupils, respiratory rate, nystagmus, tremor, diaphoresis, sympathetic overdrive.
Do not assume alcohol explains everything, especially after trauma Cannabis can produce anxiety, psychosis, and depersonalisation
Blood glucose
Review overlap locally.
Conjunctival injection, slowed time perception, anxiety, paranoia, derealisation
Severe panic, paranoia, self-harm, psychosis
Agitation, paranoia, pressured speech, insomnia, tachycardia, hypertension, dilated pupils
Hyperthermia, chest pain,
Sedation, ataxia, slurred speech, disinhibition, amnesia
Respiratory depression if combined with opioids/alcohol.
Visual distortion, synaesthesia, altered perception, panic
Severe agitation, accidents, prolonged psychosis
Based on current selection
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
Open a selected differential to review its clinical record.
Based on current selection
Create a concise comparison summary for documentation or handoff.
Source pending review
v10 | Local content only
Last updated: Pending review
| Apnoea, aspiration, hypoxia, mixed overdose |
| Airway compromise, aspiration, mixed overdose |
| Arrhythmia, sudden sniffing death, trauma |