22 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... disease (COPD) • Hypoxia ... #Diagnosis #ECG ... #EKG #Management
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
seen are sinus bradycardia ... (SA) block, AV ... The various ECG ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
60 (1) Sinus bradycardia ... AV block 1º - long ... #Tachycardia #Bradycardia ... bradyarrhythmia #ECG ... #EKG #diagnosis
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
using reservoir bag ... rate, rhythm, perfusion ... known drug causes (eg ... Intraoperative #Checklist #Diagnosis ... Management #Workup #Cardiology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... Intrapulmonary shunting (eg ... intracardiac shunting (eg ... , atrial or ventricular
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
hypertension, tachy- or bradycardia ... trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... blood pressure
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
Breathing - exclude hypoxia ... rate, rhythm, perfusion ... consider intra-arterial ... alfentanil can be diagnostic ... Anesthesiology #Anesthesia
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia
Using these steps from start
Feel the airway pressure ... recheck blood pressure ... help AND check arterial ... blood gas, 12-lead ECG ... Intraoperative #Checklist #Diagnosis
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
rhythm and blood pressure ... rate, rhythm, perfusion ... obtain 12-lead ECG ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis