282 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
interval •Class IA ... Diagnosis #Cardiology #ECG ... #EKG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... interval Class IA ... Diagnosis #Cardiology #ECG ... #EKG
Coronary Artery Localization on ECG and POCUS

#Coronary #Artery #Localization #ECG #EKG #Electrocardiogram #Echocardiogram #Diagnosis #Cardiology #Map
Localization on ECG ... and POCUS #Coronary ... #Localization #ECG ... #EKG #Electrocardiogram ... Cardiology #Map #POCUS
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Antidysrhythmics: - Group IA ... QRS #widening #ECG ... #EKG #Pharmacology
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
Parasystole on EKG ... the parasystolic focus ... #Parasystole #EKG ... #ECG #electrocardiogram
LBBB Ventricular Tachycardia Criteria - Lead V1 - Telemetry Diagnosis
WCT is VT IF:
 • Initial r
Initial r wave > 30 ms ... nadir of S > 60 ms ... diagnosis #cardiology #ekg ... #ecg #telemetry
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Properties Class IA ... in wide QRS on EKG ... blockade: IC > IA ... prolonged QT on EKG ... Increasing the ERP: IA
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Rhythm (AIVR) on EKG ... complexes >120 ms ... diagnosis #cardiology #EKG ... #ECG #Electrocardiogram
This is what a shoulder dislocation looks like on US before and after reduction. Focus on
Focus on the joint ... EM_RESUS #Clinical #POCUS ... #MSK #Shoulder
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Invasive Aspergillus (IA ... Risk Factors for IA ... immunosuppression (eg ... of choice for IA ... #Aspergillus #IA