18 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... Differential #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes
Symptoms and Signs of Hypomagnesemia
Neuromuscular:
 - Tetany, Muscle weakness, Chvostek and Trousseau signs, Cerebellar (ataxia, nystagmus,
Symptoms and Signs ... of Hypomagnesemia ... Muscle weakness, Chvostek ... Dysphagia, Anorexia, nausea ... Hypocalcemia, Anemia #Hypomagnesemia
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Polyuria - Hypomagnesemia ... Differential #Diagnosis #Low ... #Potassium #Table ... Classification #Causes
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... of more of the signs ... as a possible cause ... as patient is stable ... #Anesthesiology
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Septic - Anaphylaxis ... exacerbation (any cause ... obstruction to blood flow ... Classification #Table
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Allergic reaction / anaphylaxis ... hyperthermia crisis (late sign ... #Differential #Causes ... #Anesthesiology
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Low tidal ... volume, low/no PEEP ... examination and vital signs ... of underlying cause ... Cardiac #Tamponade #Anesthesiology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
Increase fresh gas flow ... pressure as a cause ... ischaemia → 3-12 o Anaphylaxis ... o Endocrine cause ... #Differential #Anesthesiology
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
Increase fresh gas flow ... Consider potential causes ... POTENTIAL CAUSES ... Bronchospasm → 3-4 o Anaphylaxis ... #Differential #Anesthesiology
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
Manifestations of Anaphylaxis ... peak expiratory flow ... Gastrointestinal - Nausea ... Diagnosis #Allergy #Signs ... #Symptoms #Anaphylaxis