49 results
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Known to Prolong QTc ... pseudoephedrine #QTc ... #Medications #Causes ... differential #diagnosis #pharmacology ... #table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... prolonged PR and QT ... #ECG #Changes # ... Progression #Table
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Resistance, Main Uses ... Dobutamine 2-20 mcg ... Vasopressors #Properties #Table ... #Pharmacology #
Drugs Used for the Treatment of COVID-19 Infection

** Editor Note (from ophthalmology MD input) - Hydroxychloroquine/chloroquine
Drugs Used for the Treatment ... HCQ treatment would ... or detachment, etc ... #COVID19 #Pharmacology ... #Table #Management
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... Bradyarrhythmias, Some cases ... Inotropes #comparison #table ... #pharmacology # ... criticalcare
Coverage of common antibiotics used in the hospital

For empiric coverage, first define the type of infection,
prior resistance. e.g ... ESBL, KPC, VRE. etc ... #antibiogram #pharmacology ... #table #sensitivities
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Treat underlying cause ... Treat underlying cause ... #Tachycardia #Treatment
Hydroxychloroquine is an antimalarial & DMARD (disease modifying antirheumatic drug). It is currently being discussed as
prophylaxis and treatment ... tinnitus) and may cause ... It also can cause ... hypoglycemia), QTc ... Hydroxychloroquine #HCQ #Pharmacology
PDE5 inhibitors are usually the drugs of first choice for erectile dysfunction.

PDE5 inhibitors enhance an erection that is
with caution - e.g ... #pharmacology #comparison ... #treatment #medications ... dosing #drugs #table
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
of shock, HOCM, etc ... Inotropes #management #criticalcare ... summary #comparison #table ... #pharmacology #