84 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
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
/Spec -80% for IA ... Fungal #Biomarkers #BetaDGlucan
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Antidysrhythmics: - Group IA ... QRS #widening #ECG ... #EKG #Pharmacology
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
aspergillosis (IA ... @serotavirus #BetaDGlucan
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
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
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
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
formulations (e.g ... beta-glucans (e.g ... /Spec ~80% for IA ... Fungal #Biomarkers #BetaDGlucan