19 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Common sodium channel ... blockers which cause ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization; changes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
rupture, VSD, etc ... Pericardial tamponade, Pulmonary ... inopressors #diagnosis ... #management #comparison ... #table
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Resistance, Main Uses ... #Pharmacology # ... Effect #Management #Comparison
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... exacerbation) - Drugs ... #Table #Causes
Hydroxychloroquine is an antimalarial & DMARD (disease modifying antirheumatic drug). It is currently being discussed as
side effects (e.g ... It also can cause ... skin pigmentation changes ... (e.g. azithromycin ... Hydroxychloroquine #HCQ #Pharmacology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential Diagnosis ... Chronic Obstructive Pulmonary ... Myasthenia Gravis Pharmacologic ... Abuse (e.g.
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... Vasopressors #Inotropes #comparison ... #table #pharmacology ... #criticalcare
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... disorder (Cardiac, pulmonary ... etc) • CNS -> ... Lack of sensory changes ... electromyographic (EMG
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Change to inhalational ... immediately. ❼ Give drugs ... alternate vasopressor (e.g ... annotate notes/drug ... Intraoperative #Checklist #Diagnosis