Category: Resus

LA – Toxicity

We are regularly doing blocks next to major vessels. So warn the patient of the symptoms, & keep them monitored(at least 15 min).

Symptoms of local anaesthetic toxicity

  • Circumoral and/or tongue numbness
  • Metallic taste
  • Lightheadedness/Dizziness
  • Visual/Auditory disturbances (blurred vision/tinnitus)
  • Confused/Drowsiness/Fitting
  • Arrhythmia
  • Cardio-Resp Arrest

Remember – Do basics WELL

Without Cardio-Resp Arrest

Use conventional therapies to treat:

  • Seizures
  • Hypotension
  • Bradycardia
  • Tachyarrhythmia (Lidocaine should not be used as an anti-arrhythmic therapy)

In Cardio-Resp Arrest

  • CPR – using standard protocols (Continue CPR throughout treatment with lipid emulsion)
  • Manage arrhythmias – using standard protocols
  • Consider the use of cardiopulmonary bypass if available
  • Recovery from LA-induced cardiac arrest may take >1 h
  • Lidocaine should not be used as an anti-arrhythmic therapy

PDF: Quick Reference Handbook – Guidelines for crises in anaesthesia

 

Head Injury

Background

  • Defined as any traumatic injury to the head other than superficial facial injuries.
  • The commonest cause of death and disability in people age 1-40 in the UK.
  • Account for 1.4 million ED attendances each year, 95% of these are minor head injuries that can be managed in the ED.

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Malignant/Accelerated Hypertension

There are several terms commonly used “Accelerated Hypertension”, “Hypertensive Emergency”, “Malignant Hypertension”. They all have a very similar definition (ESC/ESH, NICE, ACEP)

Patient has both:

  1. Blood pressure: Systolic ≥180mmHg OR Diastolic ≥110mmHg (often >220/120mmHg)
  2. End-Organ Damage: Retinal Changes, Encephalopathy, Heart Failure, Acute Kidney Injury, etc.

Mortality has improved in recent years with 5yr survival of 80% if treated. However, untreated average life expectancy is 24 months.

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Acute Behavioural Disturbance / Excited Delirium

Most of us will have seen patients like this – agitated, aggressive and often with police or security pinning them down.

  1. High risk of Cardiovascular Collapse/Death – likely due to adrenaline surge, heat exhaustion and injury. It can happen very suddenly.
  2. Keep physical restraint to a minimum – Don’t allow patient to forced face down, it’s the most likely way of killing them.
  3. Tranquilisation vs Sedation – Obviously oral tranquillisation is our first step, however, this is not always practical and needs to have a senior review and dynamic risk assessment .
  4. Aggressive management of underlying issues – esp. hyperthermia and acidosis and look out for rhabdomyolysis and DIC

Refusing treatment = Mental Capacity Assessment [LINK]


The Trust Guide: Rapid Tranquillisation give a full in-depth guidance on tranquillisation and steps leading up to this. It also outlines alternative oral and IM medications.

RCEM -abd  Provides more in-depth guidance on those patients heading toward sedation

 

 

Ingested Magnets

Ingestion of Strong Magnets is a TIME CRITICAL EMERGENCY

(Multiple Magnets OR a single Magnet and Metallic Objects)

If unsure if magnet classes as a strong magnet ask to see others from parents. If clearly not a strong magnet from the rest of the alphabet letters parents have provided please manage as per Ingestion of Foreign Body and avoid unnecessary radiation. If there is any uncertainty follow the policy below!

Strong magnets  (such as Neodymium)

  • Now common place around the house
  • From; fridge magnets to toys and peicings

Ingested:

  • Intestinal injury can occur within 8-24 hours
  • However, symptoms may take weeks to develop
  • Symptomatic patients are a SURGICAL emergency

Detection:

  • 2 views – to determine number of magnets (if in doubt assume multiple)

RCEM recommendation (best practice)

Swallowed Foreign Body – Metal Detector

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Hyponatraemia

Hyponatraema is a common finding, especially within our elderly population. However, its significance is is not a simple numbers game, and needs senior input. Prior to treatment the following need to be considered and balanced.

  1. Symptoms Severity – these are not exclusive to hyponatraemia and may be due to other disease processes (esp. if the low sodium is long-term)
  2. Sodium Level – the sodium concentration doesn’t always correlate to the clinical picture, and is dependant on speed of change, and co-morbidities
  3. Rate of Drop – the faster sodium levels drop the more symptomatic the patient often is (i.e. with long term hyponatraema the patient may be profoundly hyponatraemic but asymptomatic)
  4. Co-morbidities – Increasing sodium too quickly risks osmotic demyelination. How well will the patient cope with treatment?

Emergency treatment (hypertonic saline) is generally indicated in those with Severe/Moderately Severe Symptoms ONLY

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Anaphylaxis 2021

Not all Allergies are Anaphylaxis!

Anaphylaxis is defined as:

  • Severe life-threatening systemic hypersensitivity reaction
  • Where BOTH of the following criteria are met:
    1. Sudden onset & rapid progression
    2. Life-threatening compromise of ONE or MORE of: Airway/Breathing/Circulation

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Hyperkalaemia

Remember: is it a haemolysed blood sample? (you can do an iSTAT)

Severity

  • Mild: 5.5-5.9mmol/l – No urgent action required (Dietary & Medication modification & GP F/U)
  • Moderate: 6.0-6.4mmol/l – Follow treatment guide (maybe suitable for discharge)
  • Severe: ≥6.5mmol/l OR ECG changes – Follow treatment guide, must admit

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