27 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... Chloroquine - Hydroxychloroquine ... QRS #widening #ECG ... #EKG #Pharmacology ... Differential #Drugs #Classes
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Hydroxychloroquine ... • Special cases ... (e.g. renal failure ... Lupusreference #Hydroxychloroquine ... #rheumatology #pharmacology
Hydroxychloroquine is an antimalarial & DMARD (disease modifying antirheumatic drug). It is currently being discussed as
side effects (e.g ... tinnitus) and may cause ... It also can cause ... prolonging drugs (e.g ... #HCQ #Pharmacology
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
mefloquine, quinine, hydroxychloroquine ... #Medications #Causes ... differential #diagnosis #pharmacology
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
Hydroxychloroquine ... Digestive intolerance nausea ... rare with ~100 cases ... Lupusreference #Hydroxychloroquine ... Benefits #Lupus #pharmacology
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
and Inotropes - Pharmacology ... • Higher doses cause ... • D1 (1-2 mcg/kg ... cAMP/cGMP • Causes ... Vasopressors #Inotropes #Pharmacology
OPIOID SWITCHING AND TAPERING.

Long term opioid use results in physical (and potentially psychological) dependence. Opioids should
symptoms include: chills ... sweating, anxiety, nausea ... tapering #switching #pharmacology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
dissociation) • Pharmacologic ... (e.g Opioids, Alcohol ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes
Metformin Pharmacology Summary
Mechanisms of Action:
 • Suppresses gluconeogenesis by the liver
 • Increases insulin-mediated glucose utilization
Metformin Pharmacology ... agent • Does not cause ... side effects (e.g ... . diarrhea, nausea ... #Metformin #Pharmacology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g ... Diagnosis #Algorithm #causes