20 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Osborn (J Wave) ... Osborn #JWave #Diagnosis ... #Differential # ... Cardiology #EKG ... #ECG #Hypothermia
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
deflections at the J ... This EKG was recorded ... #EKG #EmergencyMedicine ... #Cardiology #diagnosis ... Electrocardiogram #ECG
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm ... solute intake (e.g ... #Diagnosis #Algorithm ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Diagnosis Algorithm ... Polyuria scheme) e.g ... Hypernatremia #Nephrology ... Diagnosis #Algorithm
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
Algorithm showing ... Charcot-Marie-Tooth; EMG ... #Diagnosis #Neurology ... Neuropathy #Peripheral #Algorithm ... #Evaluation #Differential
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... Metabolic causes (e.g ... disease, Drugs (e.g ... Classification #Types #Nephrology ... #Diagnosis #Differential
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Diagnosis Algorithm ... Liver Failure • Hypercalcemia ... Pulmonary Disease Neurologic ... • Drug Abuse (e.g ... #Diagnosis #Algorithm
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... symptoms and signs (e.g ... CNS infection (e.g ... #Diagnosis #Algorithm ... #neurology #PHANTOMS
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Diagnosis Algorithm ... Cerebellar Disease (e.g ... MovementDisorders #Neurology ... #Differential # ... Diagnosis #Algorithm