15 results
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
is a clinical emergency ... maintained fever CAUSES ... Phaeochromocytoma Neurologic ... Traumatic brain injury ... Diagnosis #Management #Workup
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... osmolarity If cause ... Acute #Kidney #Injury ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
to Acute Kidney Injury ... 1) IS THIS AN EMERGENCY ... require urgent nephrology ... CONSIDER INTRINSIC CAUSES ... KidneyInjury #simplified #workup
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... - Hypertensive emergency ... tubular necrosis (causes
Intraoperative Patient Fire - Guidelines for Crises in Anaesthesia
Evidence of fire (smoke, heat, odour, flash, flame)
hospital fire emergency ... Consider inhalational injury ... depending on degree of injury ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Carpal Tunnel Syndrome ... regimental badge" anesthesia ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... Impotence - Saddle anesthesia ... loss - Saddle anesthesia ... differential #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... saddle (perineal) anesthesia ... Medical Emergency ... Commonly caused ... Myotomes #diagnosis #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Repetitive strain injury ... Trauma • Crush injury ... Paralysis 4) Paresthesia ... extremity #msk #physicalexam
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... heart failure, neurologic ... or acute kidney injury ... Neurologic disorders ... #Hypertension #Workup