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
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 ... Video by Dr. ... #HINTS #PhysicalExam ... #Neurology #Vertigo
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 - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... cause of vertigo ... #HINTS #PhysicalExam ... #Neurology #Vertigo ... #Central
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
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... grip weakness caused ... flat object such as ... Palsy #clinical #video ... #neurology #physicalexam
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 ... patients with AVS ... components: targeted neurologic ... disposition, even if the cause ... CNS, Central nervous
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
cause for Wrist ... In a central wrist ... Drop #clinical #video ... #physicalexam # ... neurology