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diagnosis differential nephrology hints hyponatremia neurology workup clinical headimpulse table vertigo video adrenal avs cancer cva dermatology emergencies endocrinology evaluation
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
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
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew) In a patient with vertigo symptoms, this
Test of Skew (Abnormal ... worrisome for a CENTRAL ... cause of vertigo ... Vertical #Skew #Test ... #HINTS #PhysicalExam
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 Etiologies of Hypernatremia - Differential Diagnosis GI losses / Insensible losses Sodium Overload Transcellular Movement of Water Central Diabetes Insipidus
Etiologies of Hypernatremia ... Insensible losses Sodium ... Movement of Water Central ... congenital disorders Nephrogenic ... Diagnosis #Table #Causes
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... result is positive (abnormal ... with a peripheral cause ... cause of AVS. ... #Diagnosis #PhysicalExam
HINTS Exam - Normal Head Impulse Test = Central Cause This patient as a normal head impulse
Head Impulse Test ... = Central Cause ... head impulse test ... cause of vertigo ... #HINTS #PhysicalExam
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 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
Hyponatremia - Diagnostic Evaluation Algorithm Step 1: Consider whether Posm may actually be normal or elevated Step 2:
Hyponatremia - Diagnostic ... Evaluation Algorithm ... may actually be normal ... Consider additional tests ... considered likely, the cause
Adrenal Insufficiency Differential Diagnosis Algorithm Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypotension, hyponatremia ... ACTH) stimulation test ... insufficiency • Low or normal
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... remember than the normal ... volume-based algorithm ... : SIADH, Renal Sodium ... diagnosis #table #sodium
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