28 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) • Sinus Bradycardia ... Aflutter • AVNRT ... Tachycardia - Wide ... aberrancy - Wide ... Diagnosis #Algorithm #causes
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
hypertension, tachy- or bradycardia ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Ischemia #Ischaemia #Anesthesiology ... #Anesthesia #Intraoperative
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
case of a 50-year-old ... Is it wide or narrow ... computer thinks it’s wide ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Sepsis (→ 3-14) e.g ... #Differential #Causes ... #Anesthesiology ... #Anesthesia #Checklist
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... Consider known drug causes ... (eg. remifentanil ... Anesthesiology # ... Anesthesia #Intraoperative
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... maneuvers: SVT-AVNRT ... bending over: AVNRT ... Red Flag Symptoms ... disease • Severe bradycardia
Can’t Intubate, Can’t Oxygenate (CICO) - Guidelines for Crises in Anaesthesia
This is the last resort when
Guidelines for Crises ... airway expertise e.g ... patient’s left hand side ... Guidelines for crises ... Intubation #Difficult #Anesthesiology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... and positioning (e.g ... (eg steroid dependency ... #Differential #Anesthesiology ... #Anesthesia #Intraoperative
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
tachycardia or bradycardia ... arrest where other causes ... as a possible cause ... alternate vasopressor (e.g ... #Anaphylaxis #Anesthesiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Tachyarrhythmias - HR > 100 Wide ... 200ms from longer pause ... can function) Wide ... bradyarrhythmia #ECG