47 results
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... Transcellular Movement ... congenital disorders Nephrogenic ... DrEricStrong #Hypernatremia ... Diagnosis #Table #Causes
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... insipidus • Nephrogenic ... administration #Hypernatremia ... Differential #Diagnosis #Causes
Causes of Secondary / Provoked Seizures - Differential Diagnosis Algorithm
Febrile
Infection
 • Sepsis
 • Encephalitis
 • Meningitis
Metabolic
Causes of Secondary ... Hypocalcemia • Hyponatremia ... Migraine/Auras • Movement ... Diagnosis #Algorithm #Causes
Paradoxical Respirations in Diaphragmatic Paralysis

Note the paradoxical movement of the abdomen during inspiration. The accessory inspiratory
the paradoxical movement ... This change causes ... Clinical #Video #PhysicalExam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Test downward eye movement ... Rapid downward movement ... Slow downward movement ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
begin with body movements ... general seizure caused ... and metabolic causes ... hyperglycemia, hyponatremia
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Commonly caused ... dysaesthesia, neurogenic ... sensory #motor #leg #physicalexam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
abnormal extraocular movements ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam
Tardive Dyskinesia on Physical Exam

Involuntary orofacial movements usually caused by chronic use of neuroleptic agents.

#Tardive #Dyskinesia
Involuntary orofacial movements ... usually caused ... Tardive #Dyskinesia #PhysicalExam
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
• Early death Neutropenic ... Constipation • Nausea ... coma SIADH: • Hyponatremia ... • Nausea, vomiting