22 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
Precipitated by drugs ... quinidine) •Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
- Group IA and IC ... Antimalarial drugs ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
precipitated by drugs ... quridine) Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
- Relevant drug ... levels (e.g. lithium ... rigidity) Consider EEG ... #CriticalCare # ... Diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Rate - 300 / big ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
O2, Monitors, ECG ... Chest Pain • ECG ... Connect ECG Leads ... Patients DIE: Drugs ... #bradycardia #diagnosis
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
confirm reservoir bag ... and positioning (e.g ... Endocrine cause (eg ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
normalize the ABG ... the patient's diagnosis ... (e.g. pneumonia ... hypoventilation due to drug ... #Management #CriticalCare
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
confirm reservoir bag ... using reservoir bag ... obtain 12-lead ECG ... • Consider drug ... Intraoperative #Checklist #Diagnosis
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
confirm reservoir bag ... using reservoir bag ... causes (eg. remifentanil ... Intraoperative #Checklist #Diagnosis ... Management #Workup #Cardiology