6014 results
Lung re-expansion of pneumothorax after pigtail thoracostomy on Lung POCUS

Dr. Stephen Alerhand @SAlerhand

#Lung #reexpansion #pneumothorax #POCUS
Lung re-expansion ... SAlerhand #Lung #reexpansion
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
- Differential Diagnosis ... Resisted shoulder extension ... #Differential #Diagnosis
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Dorsal Thumb Wrist Extension ... Middle Finger Elbow Extension ... Femoral Condyle Knee Extension ... 2nd MTP) Big Toe Extension ... #differential #diagnosis
Diagnostic Testing for Meningitis
History:
 • Triad: Fever, neck stiffness, and altered mental status
 • Sens: 44%
Diagnostic Testing ... Kernig Sign: • Leg extension ... back/thighs or extension ... #Meningitis #diagnosis ... #Specificity #diagnosis
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Musculocutaneous Nerve Elbow Extension ... Radial Nerve Wrist Extension ... to Psoas Hip Extension ... Tibial Nerve Knee Extension ... Orthopedics #Neurology #Diagnosis
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Subclinical volume expansion ... Pathophysiology #diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... • Acute Volume Expansion ... #Differential #Diagnosis
Natural history
Aneurysms may progress in size as a result of gradual wall weakening [6], with rupture
Management #AAA #AorticAneurysm
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
musculocutaneous) • Extension ... C7 (median) • Extension ... C8 (median) • Extension ... Dermatomes #Myotomes #diagnosis
Flexor Tenosynovitis (FTS)

The clinical diagnosis of FTS is made using Kanavel’s Signs:
 - Fusiform swelling.
 -
The clinical diagnosis ... Pain with passive extension ... Sign #Hand #MSK #Diagnosis