25 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (4) SA node arrest ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Algorithm History ... life-threatening causes ... Pulmonary embolism • Cardiac ... : • EKG • Bedside ... Pain #Diagnosis #Algorithm
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... and diastolic arrest ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
arrest trolley ... and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... Intraoperative #Checklist
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
• Unexplained tachycardia ... alternate vasopressor (e.g ... as patient is stable ... Intraoperative #Checklist ... Diagnosis #Management #Workup
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause ... management #cardiology #algorithm
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
, e.g. central line ... pericardiocentesis kit (eg ... arrest trolley ... Intraoperative #Checklist ... Diagnosis #Management #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
Cardiac Arrest - ... • Check ECG rhythm ... CardiacArrest #Checklist ... Intraoperative #Checklist ... 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 ... Intraoperative #Checklist ... Diagnosis #Management #Workup
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
pulse or impending arrest ... obtain 12-lead ECG ... hypovolaemia; primary cardiac ... Intraoperative #Checklist ... Diagnosis #Management #Workup