22 results
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Hydroxychloroquine ... half-life = 40 days ([HCQI ... (e.g. renal failure ... #HCQ #Serum #Measurement ... #rheumatology #pharmacology
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... Chloroquine - Hydroxychloroquine ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
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
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
Hydroxychloroquine ... rare with ~100 cases ... Lupusreference #Hydroxychloroquine ... #hcq #Risks #Benefits ... #Lupus #pharmacology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... factor for HIV, HCV ... blood smear, HIV/HCV ... function test, ANA (e.g ... #Differential #Diagnosis
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 #
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... Hb > 16.5 g/dL/HCT ... Polycythemia - Acquired Causes ... Paraneoplastic (e.g ... #Differential #Diagnosis
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... patients with HCM ... patients with HCM ... Bradyarrhythmias, Some cases ... comparison #table #pharmacology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... (e.g Opioids, Alcohol ... • Botulism Pharmacologic ... #Differential #Diagnosis ... #Algorithm #Causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential Diagnosis ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g ... #Algorithm #causes