16 results
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Known to Prolong QTc ... Vasopressors/inotropes ... pseudoephedrine #QTc ... Medications #Causes #differential ... #diagnosis #pharmacology
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
Adrenoceptor Actions ... • Heart - ↑ Inotropy ... Chronotropy and inotropy ... receptors #actions #pharmacology ... pathophysiology #comparison
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
Vasopressors and Inotropes ... of shock, HOCM, etc ... #Vasopressors #Inotropes ... criticalcare #summary #comparison ... #table #pharmacology
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
rupture, VSD, etc ... vasoactive drug pharmacology ... Vasoactive #Drugs #pharmacology ... #inopressors #diagnosis ... #management #comparison
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
Deciphering the SAAG ... fibrosis) High SAAG ... , Pancreatitis etc ... Matherly @liverprof #Diagnosis ... Interpretation #Differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachy not from SA ... :1 , 3:2, 4:3, etc ... - , 3:1, 4:1, etc ... bradyarrhythmia #ECG #EKG #diagnosis ... electrocardiogram #cardiology #differential
Pain, Agitation, and Delirium (PAD) in the ICU
Addressing the ICU Triad (PAD) can be accomplished through
Awakening Trial (SAT ... No pharmacologic ... SE: prolonged QTC ... SE: prolonged QTC ... #CriticalCare #diagnosis
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... Sinus Syndrome • SA ... setting of long QT ... #Diagnosis #Algorithm
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
current) causing ↓SA ... Duration) - ↑ QT ... force (negative inotropy ... Vaughan #Williams #Pharmacology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... current) causing ↓SA ... Duration) - ↑ QT ... force (negative inotropy ... Antiarrhythmics #Pharmacology