10 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... Osmotic diuresis • Central ... insipidus • Nephrogenic ... Differential #Diagnosis #Causes ... #nephrology #sodium
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Differential Diagnosis Algorithm ... response • Central ... Kidney • Nephrogenic ... #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... diuresis (see Polyuria ... #Nephrology #Differential ... #Causes
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Polydipsia • Central ... Insipidus • Nephrogenic ... #causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... Diabetes insipidus (central ... or nephrogenic) ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... This patient as ... cause of vertigo ... #HINTS #PhysicalExam ... Clinical #Video #Neurology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
of breath • Neurologic ... • Early death Neutropenic ... • Dyspnea at rest ... Progressive decline in mental ... coma SIADH: • Hyponatremia
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
same precursor as ... hyperglycemia —+ mild polyuria ... characterized by central ... is decreased), hypernatremia ... dexamethasone suppression test
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
components: targeted neurologic ... disposition, even if the cause ... CNS, Central nervous ... , Head Impulse Test ... Nystagmus, and Test