9 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Erythropoiesis (B12 ... vomiting) • Low ... Matthew Ho, MD ... #Algorithm #nephrology
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
paralysis from spinal cord ... lesions between T9-T12 ... facioscapulohumeral muscular dystrophy ... PhysicalExam #clinical #video ... #umbilicus #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
- Differential Diagnosis ... • Orthostatic: Hypovolemia ... , B12, etc), Visual ... Cerebellar/Posterior Cords ... #neurology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... with hypokalemia ... Administration of inulin, B2 ... #differential #algorithm ... #diagnosis #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Algorithm UOsm ... EABV) - Consider: Hypovolemia ... Primary polydipsia, Low ... Helbert Rondon, MD ... #causes #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... Primary polydipsia, Low ... by Satya Patel, MD ... #diagnosis #sodium ... #nephrology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... • Symptoms and signs ... myelopathy - Vit B12 ... #neurology #differential ... #algorithm
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... of the spinal cord ... endocrine: Vitamin B12 ... Lack of UMN/LMN signs ... #neurology
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Recurrent Falls Core ... e.g., diabetic, B12 ... positive Romberg sign ... Recurrent #Falls #Diagnosis ... Evaluation #Geriatrics #Neurology