9 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
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior
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 - 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
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... may be present Central ... with vascular causes ... positional episodes caused ... (posterior canal
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 ... #Polyuria #Nephrology ... #Causes
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
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
Diagnostic algorithm ... components: targeted neurologic ... disposition, even if the cause ... CNS, Central nervous ... #Posterior #CVA
Newborn Infant - Routine Examination

Birthweight, gestational age and birthweight percentile are noted.
General observation Of the baby's
General observation ... Central cyanosis ... assessment, is best ... intra-abdominal masses ... Newborn #Infant #PhysicalExam