18 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... quinidine) •Class IC ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... quridine) Class IC ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG with Cerebral T Waves in Subarachnoid Hemorrhage

ECG of a 45-year-old man who suddenly collapsed to
EKG with Cerebral ... These ECG changes ... There is a long QT ... #EKG #Electrocardiogram ... Hemorrhage #SAH #Cardiology
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT ... **Get baseline EKG ... - QT prolonging ... abnormalities - Avoid QTc ... Syndrome #Diagnosis #Cardiology
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 ... #Hypokalemia #Management
Checklist for Treatment of Delirium in the ICU 

Remove causative factors 
 - 
Exclude hypoglycemia if
Delirium in the ICU ... c deliriogenic meds ... interruption (e.g ... in the night (e.g ... #Management #Treatment
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
- Checklist VITALS ... hyponatremia, AKI, etc ... esp in work-up/management ... will also get an EKG ... #Pearls #Checklist
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Pickle") Class IC ... in wide QRS on EKG ... results in prolonged QT ... on EKG • Increasing ... Pharmacology #Agents #Cardiology