Category: Cardiac

Hypomagnesaemia

Classification

  • Normal: 1.1-0.7
  • Mild: 0.69-0.5 – No symptoms or non-specific symptoms, such as lethargy, muscle cramps, or muscle weakness
  • Severe: <0.5 – Severe neurologic symptoms such as nystagmus, tetany, seizures, and cardiac arrhythmias

Signs/Symps (normally <0.5)

  • MSK: Muscle Twitch, Tremor, Tetany, Cramps
  • CNS: Apathy, Depression, Hallucination, Agitation, Confusion, Seizure
  • CVS: Tachycardia, Hypertension, Arrhythmia, Digoxin Toxicity
  • BioChem: Hypokalaemia, Hypocalcaemia, Hypophosphataemia, Hyponatraemia

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Syncope – ESC 2018

  • Defintion:Transient Loss of Consciousness (TLOC) due to cerebral hypoperfusion, characterised by a rapid onset, short duration, and spontaneous complete recovery.
  • Common ED Complaint: 1.7% of all attendances
  • Difficult Diagnosis: less than 50% get a diagnosis in ED
  • Mortality & Serious Outcome: 0.8% mortality & 10.3% serious outcome @ 30 days

Ask 3 Questions!

  1. Is this Syncope?
  2. What is the underlying cause?
  3. What is the best Follow-Up for this patient?

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Cervical (Carotid OR Vertebral) Artery Dissection

Cervical artery dissection is a rare but significant cause of stroke and headache/neckache, which is easy to overlook. Leading to a typically delay in diagnosis of 7 days. Unfortunately imaging the cervical arteries is not simple, with MRA being the method of choice. Hence these patients must be referred to the “Stroke Consultant”.

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Pulmonary Embolism – PE

PE is somehow both the most over and under diagnosed condition. with severity ranging from the questionable sub-segmental PE to the Massive PE (an indication for thrombolysis). So think:

  • Does this presentation sound like a PE? – If not STOP here
  • Pregnant?  – Click Here
  • Do you think this is likely a PE? (if so you can’t use PERC)
  • Does D-Dimer answer  your question? (whats the Wells)
  • High-Risk (Wells >4) – Treat before CT
  • Massive PE  – think Thrombolysis
  • Sub-Massive PE – there is lots of debate (involve seniors), locally needs 2 consultant sign off and not considered time critical.

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