35 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... QRS #widening #ECG ... #EKG #Pharmacology ... Toxicology #Diagnosis #Differential ... #Drugs #Classes
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... frequently benign causes ... syncope (ruling out differential ... further guide management ... and an initial ECG
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... dissociation) • Pharmacologic ... (e.g Opioids, Alcohol ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
and Inotropes - Pharmacology ... • Higher doses cause ... cAMP/cGMP • Causes ... Vasopressors #Inotropes #Pharmacology ... #Summary #management
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g ... Diagnosis #Algorithm #causes
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 ... #conversion #management
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... Hypermagnesemia #Differential ... Magnesium #Table #Causes ... #Management
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Sepsis (→ 3-14) e.g ... #Hyperthermia #Differential ... #Causes #Anesthesiology ... Checklist #Diagnosis #Management
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
suspected) • In case ... • Special cases ... (e.g. renal failure ... #rheumatology #pharmacology ... levels #lupus #management
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... o Endocrine cause ... (eg steroid dependency ... #Hypotension #Differential ... Checklist #Diagnosis #Management