11 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... narrow complex tach ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... non-sinus → 2-7 Tachycardia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... consultation with cardiology ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... obtain 12-lead ECG ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
, and elevated JVP ... Workup for cause ... AorticRegurgitation #Diagnosis ... #PhysicalExam # ... Fingernails #Nailbed #Cardiology
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
in Anaesthesia Causes ... : hypotension, tachycardia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
• Unexplained tachycardia ... alternate vasopressor (e.g ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Malignant Hyperthermia Crisis - Guidelines for Crises in Anaesthesia
Unexplained increase in ETCO2 AND tachycardia AND increased
increase in ETCO2 AND tachycardia ... other, more common causes ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup #Cardiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... heparinized tube) • ECG ... only if no clear cause ... Monitor for tachycardia ... hypertonic Amp IVP