10 results
Intraoperative Circulatory Embolus - Guidelines for Crises in Anaesthesia
Causes: thrombus, fat, amniotic fluid, air/gas.
Signs: hypotension, tachycardia,
Intraoperative Circulatory ... Causes: thrombus ... : hypotension, tachycardia ... Consider thrombolysis e.g ... Diagnosis #Management #Workup
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... management #cardiology #algorithm
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular Complexes ... arrhythmia syndromes (e.g ... ., long QT syndrome ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Pulmonary Embolism ... block; and sinus tachycardia ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Intraoperative Tachycardia ... • If narrow complex ... obtain 12-lead ECG ... ); circulatory embolus ... Diagnosis #Management #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... • Unexplained tachycardia ... alternate vasopressor (e.g ... as patient is stable ... Diagnosis #Management #Workup
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 ... (eg steroid dependency ... Anesthesiology #Anesthesia #Intraoperative ... Diagnosis #Management #Workup
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 ... Elimination (see Table ... Monitor for tachycardia
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative ... Consider known drug causes ... (eg. remifentanil ... myocardial infarction, hyperkalaemia ... Diagnosis #Management #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... Hypovolaemia Hypo/hyperkalaemia ... Anaphylaxis (→ 3-1) Embolism ... Anesthesiology #Anesthesia #Intraoperative ... Diagnosis #Management #Workup