52 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... 1) Finger agnosia ... name their own fingers ... - Inability to differentiate ... #neurology #diagnosis
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... #clinical #video ... orthopedics #msk #sports ... #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... of hypokalemia starts ... #diagnosis #algorithm ... #causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Malabsorption, Phosphate binder ... ), Hungry bone syndrome ... #causes #nephrology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
regional pain syndrome ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm ... #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... osmolarity If cause ... investigations depending on clinical ... #Diagnosis #nephrology ... #causes
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
consisting of finger ... #Test #Reflex #neurology ... #clinical #video ... #physicalexam # ... orthopedics #msk #sports
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
Diagnosis - GOLDMARK ... associated with short ... bowel syndrome ... salicylate toxicity causes ... #mnemonic #nephrology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... Diplopia TIER 1-CRITICAL ... tumor, Miller-Fisher ... mass #Diplopia #differential ... #diagnosis #ophthalmology