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Hypokalaemia

Hypokalaemia (low potassium), is a common problem. It is found in 14% of outpatients and 20% of inpatients, however only 4-5% of those are of clinical significance.

Severity

  • Severe: <2.5 mEq/l OR Symptomatic – Look for Hypomagnesaemia
  • Moderate: 2.5-2.9 mEq/l (No or Minor symptoms)
  • Mild: 3.0-3.4 mEq/l  (Usually asymptomatic)

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Emergency Tracheostomy/Laryngectomy Management

Occasionally patients with Tracheostomy or Laryngectomy present with difficulty breathing due to problem. As this is rare for us in ED, this situation can be very difficult for all of us. However the protocols below can help.

 

Tracheostomy

Tracheostomy is simply a passage from the neck into the trachea. In most cases the trachea will still be connected to the nose and mouth (so can breath though their mouth too).

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Lateral Canthotomy

Like tension pneumothorax the biggest step is deciding to do it – Remember it it sight saving and they heal well

Retrobulbar Haematoma secondary to blunt eye injury is a a rare but potentially sight threatening injury.

  • Blood collects in the retrobulbar space
  • Pushing the eye forward to accommodate the extra volume.
  • The Orbital Septum (made up of the eyelids and ligaments that attach them to the orbital rim) restricts this forward movement, creating a compartment syndrome for the eye. Thus threatening the patients sight if not treated quickly.

Recognition

From Royal College Ophthalmologists
  • Severe pain
  • Red/Congested conjunctiva
  • Exophthalmos with proptosis – eye pushed forward
  • Internal ophthalmoplegia – impairment or loss of the pupillary reflex.
  • Visual flashes
  • Loss of vision – initially colour vision (esp. red), progressing to local visual loss.

However, this may only be recognised on CT if there is significant facial injury and altered conscious level.

Treatment

Call Ophthalmology immediately to attend. If there is going to be any significant delay, it may be necessary for ED to preform a Lateral Canthotomy, to allow the eye to move forward, reduce the orbital pressure & preserve the patients sight.

Kit needed

  • Lidocaine with adrenaline (needle & syringe)
  • Clamp – ideally curved to crush the tissues
  • Forceps
  • Scissors

Resources

NIV (Non Invasive Ventilation)

NIV should be considered for use in patients with a  persisting Acute Hypercapnic Respiratory Failures after a maximum of one hour of standard medical therapy.

  • Complete the Ad-hoc form
  • Increase pressures from Initial 12/5 cmH2O to 20/5cmH2O – as tolerated over 1st hour

However, ICU should be contacted early if the patient has one of the following:

  • Asthma – Intubation the option of choice in Life threatening
  • Pneumonia – NIV should only be considered as a bridge to intubation
  • No pre-exisiting respiratory issue – NIV not likely helpful
  • pH <7.25 (low threshold for ICU input)
  • pCO2 >6.5kPa (low threshold for ICU input)
  • Type 1 Respiratory Failure (low threshold for ICU input)

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Atrial Fibrillation/Flutter (AF)

Before you start 

  • Whats the cause? – treating the precipitant often sorts the AF (adding B-Blockers to Sepsis can make things worse)
  • Stable or Unstable?  – Electricity vs. Drugs
  • CHADS-VASC vs. ORBIT– Anticoagulation (previously HAS-BLED)
  • Rhythm vs. Rate control??
  • NEW Symptomatic Arrhythmia Clinic [6-8weeks] referral form attached tho the PDF

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