172 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... syncope Tests: ECG ... EricsMedicalLectures/ #Syncope #diagnosis ... #workup #testing ... Effectiveness #table
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
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... hypokalemia - Various renal ... renal amyloidosis ... #Differential #Diagnosis ... #Table #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... - Differential Diagnosis ... disease - Renal ... #Differential #Diagnosis ... #Workup #table
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
Renal tubular acidosis ... conditions all of which cause ... different types/causes ... of RTA #Diagnosis ... RenalTubularAcidosis #Features #Table
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
by Mechanism Renal ... IV Mg infusion (e.g ... #Differential #Diagnosis ... High #Magnesium #Table ... #Causes #Management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... and Differential Diagnosis ... osmolarity If cause ... #Injury #AKI #Workup ... #nephrology #causes
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
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... with previously stable ... #Hypertension #Workup ... #Diagnosis #indications