25 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... QRS #widening #ECG ... #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... by Classification ... side effect (e.g ... side effect (e.g ... #Table #Causes
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... Known to Prolong QTc ... #Causes #differential ... #diagnosis #pharmacology ... #table
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
"I MD SOAPS" Infectious Diseases Exposure History

I - Immunization - Vaccination status (age-appropriate, comorbidities, travel, etc)
M
) M - Medication ... , prophylactic medications ... specific food (e.g ... Current or previous work ... InfectiousDiseases #Diagnosis
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... in kidneys) - Medications ... (e.g. lithium, ... renal diseases (e.g ... #Table #Causes
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Sleep Deprivation (Eg ... Shift Work) Sleep ... Anxiety Other • Medications ... (Eg. ... • Drug Abuse (Eg
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... family history - Medications ... function test, ANA (e.g ... #Causes #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... #Differential #Diagnosis ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Testing Algorithm INDICATIONS ... evaluation or workup ... 1,500 cells/µL Workup ... signs or symptoms (eg ... #Differential #diagnosis