23 results
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... in kidneys) - Medications ... - Chronic hypokalemia ... #Differential #Diagnosis ... #Table #Causes
Constipation - Differential Diagnosis Algorithm
Diet/Lifestyle
 • Fibre
 • Calories
 • Fluid
 • Exercise
 • Psychosocial
Medications
 •
- Differential Diagnosis ... Psychosocial Medications ... Neurally Active Medications ... • Hypercalcemia ... #Algorithm #Causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... stenosis • Hypertrophic ... depletion - Medication ... Classification #Table ... #Causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization causes ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Hypokalemia ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential #diagnosis ... #table #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Etiology: • Medications ... only if no clear cause ... Elimination (see Table ... STOP offending medications
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... disorders including hypokalemia ... #Differential #Diagnosis ... #indications
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypertension, LV hypertrophy ... heart disease Causes ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... Differential Diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... hydration - Hyperkalemia ... unless worrisome EKG ... Syndrome #TLS #diagnosis