50 results
Loss of Consciousness in Syncope - Differential Diagnosis Framework

Syncopal causes:
• Orthostatic syncope
• Reflex syncope
• Cardiac arrhythmia
•
- Differential ... Diagnosis Framework ... Syncopal causes ... • Reflex syncope ... Nonsyncopal causes
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
frequently benign causes ... such as reflex ... (ruling out differential ... In many cases, syncope ... depends on the cause
Syncope - Cerebral hypoperfusion leading to transient lsos of consciousness causing alck of postural tone with
Diagnosis: Syncope ... Orthostatic (4-24%) • Reflex ... cause (8-20%) ... • Unclear cause ... #differential #
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... Reflex Syncope ... bradycardia • Sinus pauses ... #Table #Causes
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... #differential # ... diagnosis #table ... #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Diagnosis Algorithm ... , glycyrrhizic acid ... #causes #nephrology
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Diagnosis Framework ... Reflex Syncope: ... bradycardia, Sinus pauses ... #Differential #
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
neuromuscular blockade - Differential ... Diagnosis - Drugs ... , Acid-base Disorders ... Mark Harris, MD MPH ... #Causes #complications
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... Diagnosis Algorithm ... /Vasodepressor Syncope ... Lightheadedness #Neurology ... #Causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... catheterization • BPH ... #Hematuria #Differential ... #Diagnosis #causes ... #urology #nephrology