18 results
cardiology diagnosis management ekg pharmacology treatment clinical differential hyperkalemia tachycardia torsadesdepointes antiarrhythmics indications medications stable acs agents blockers cad causes
Torsades de Pointes •Precipitated by drugs that prolong the QT interval •Class IA antidysrhythmics (procainamide, quinidine)
QT interval •Class ... quinidine) •Class ... IC antidysrhythmics ... Diagnosis #Cardiology #ECG ... #EKG
Class I Antiarrhythmics and their Key Pharmacologic Properties Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer") Class IB
IC = Flecainide ... in wide QRS on EKG ... channel blockade: IC ... prolonged QT on EKG ... the ERP: IA > IC
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
interval Class ... quridine) Class ... IC antidysrhythmics ... Diagnosis #Cardiology #ECG ... #EKG
Antiarrhythmics - Sodium Channel Blockers Subclasses, Mechanisms, Indications, Side Effects la - Quinidine, Procainamide lb - Lidocaine, Mexiletine Ic -
Lidocaine, Mexiletine Ic ... Channel #Blockers #ClassI ... #pharmacology #table
Common sodium channel blockers which cause QRS widening. Anticonvulsants: - Carbamazepine Antidysrhythmics: - Group
- Group IA and IC ... QRS #widening #ECG ... #EKG #Pharmacology ... Differential #Drugs #Classes
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm Drugs that prolong QT interval: • Class 1a (quinidine,
Pointes - Management Algorithm ... interval: • Class ... • Adult: 0.5-5 mcg ... Pediatric: 0.1-1 mcg ... TDP #Management #Algorithm
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
wave to produce classic ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis. Notes: (A)
extensive ground glass ... extensive ground glass ... B-lines in one IC ... #Correlation #Table
Pediatric SVT - Management Algorithm Identify SVT: • HR not variable • Abrupt rate changes • Infants:
SVT - Management Algorithm ... : HR > 180bpm ECG ... Monitors, Pads AP Stable ... tachycardia #Management #Algorithm
Treatment of Stable Narrow-Complex Tachycardia Regular Rhythm: • Attempt vagal maneuvers • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Control rate (e.g ... underlying cause #Stable ... management #cardiology #algorithm
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