12 results
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... Water Central Diabetes ... in kidneys) - Medications ... - Chronic hypokalemia ... #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Hypokalemia ... - Uncontrolled diabetes ... #Differential #Diagnosis ... Low #Magnesium #Table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... (Uncontrolled diabetes ... Medications 2. ... causes #potassium #high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... (Uncontrolled diabetes ... Medications 2. ... causes #potassium #high
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Aldosterone) - Diabetic ... insufficiency - Critical ... Renin, Normal or High ... #Differential #Diagnosis ... Aldosterone #Comparison #Table
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
- Differential Diagnosis ... Irregular Shape, Diameter ... Plasma E2 + Clinical ... Hypertension +/- Hypokalemia ... #Differential #Diagnosis
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
in people with high ... hypercalcemia, ... brain injury, medications ... EmergencyMedicine #Cardiology #diagnosis ... Electrocardiogram #ECG #Clinical
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Loop Diuretics; High-Ceiling ... Hyponatremia • Hypercalcemia ... #Pharmacology #Medications ... #Table
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... 109 mm Hg) with clinical ... #Differential #Diagnosis ... #indications
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
- Allergies to medications ... ASA class If high ... Change in clinical ... Diabetes regimen ... stratification #diagnosis