86 results
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Known to Prolong QTc ... #Medications #Causes ... #differential #diagnosis ... #pharmacology # ... table
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis ... Differential #Drugs #Classes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Algorithm for the Management of Ventricular Tachycardia Electrical Storm
ES diagnosed (≥ 3 episodes of VT/ICD therapies
Electrical Storm ES diagnosed ... cardioversion Stable ... of reversible causes ... VT • Normal QTc ... • Long QTc (Torsades
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 #
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... polyneuropathy (e.g ... #differential #diagnosis ... #table #neurology
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
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Differential Diagnosis ... exacerbation (any cause ... #Differential #Diagnosis ... Classification #Table ... #CriticalCare
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... - Malignancy (e.g ... CNS pathology (e.g ... #Differential #Diagnosis ... #Table #Causes