9 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... quinidine) •Class IC ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... quridine) Class IC ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... DANGER - Short QT ... : ↑ca - Long QT ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... = QT / √ RR - ... @AmyChung #EKG ... Interpretation #ECG
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... changes (especially QT ... their validity (e.g ... clinical context & EKG ... #Management #CriticalCare
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
Admitting in the ICU ... hyponatremia, AKI, etc ... /management of shock ... will also get an EKG ... #criticalcare
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative Bradycardia ... known drug causes (eg ... remifentanil, digoxin etc ... Checklist #Diagnosis #Management ... #Workup #Cardiology
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
- Infectious workup ... oral secretions (e.g ... is the fastest approach ... MyastheniaGravis #Checklist #Management ... #CriticalCare
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
ECG is vital while ... patient causing hypovolemia ... #cardiology #treatment ... heartfailure #chf #criticalcare ... #icu #clinical