25 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Cardiac Arrest ... dysplasia Primary Electrical ... #cardiology #differential ... #diagnosis #causes
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
of blood, pus, effusion ... tube ❹ Rapid diagnosis ... Call for cardiac arrest ... • Diagnostic ... Anesthesiology #Anesthesia
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Unexpected cardiac arrest ... where other causes ... alternate vasopressor (e.g ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Call for cardiac arrest ... CM5 continuous ECG ... Obtain a 12-lead ECG ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
pulse or impending arrest ... rate, rhythm, perfusion ... obtain 12-lead ECG ... help; consider electrical ... Intraoperative #Checklist #Diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... sine wave (QRS-T fusion ... and diastolic arrest ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
Cardiac Arrest - ... • Check ECG rhythm ... CardiacArrest #Checklist #Differential ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
rate, rhythm, perfusion ... and positioning (e.g ... (eg steroid dependency ... #Hypotension #Differential ... Intraoperative #Checklist #Diagnosis
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... Diagnosis Framework ... • Malignancy (e.g ... OTHER RARE CAUSES ... #Diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(4) SA node arrest ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential