9 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
Precipitated by drugs ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Medications causing Acute Kidney Injury (AKI)
Prerenal:
 • Dehydration: Diuretics
 • Altered intrarenal autoregulation: ACEIs / ARBs,
sphincter tone: • Opiates ... decongestants) • Any drug ... #Medications #Drugs ... #pharmacology # ... differential #diagnosis
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Liver Failure • Hypercalcemia ... Pulmonary Disease Neurologic ... Anti-Depressants • Drug ... Alcohol) • Drug ... Malnutrition / Drug
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
precipitated by drugs ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Mechanisms of Drug-Induced ... Hyperkalemia ... • Increased EC ... #differential #diagnosis ... pathophysiology #pharmacology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
., hypokalemia, ... hypercalcemia), ... cell disease, Drugs ... Classification #Types #Nephrology ... #Diagnosis #Differential
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
could have made a drug ... Consider known drug ... myocardial infarction, hyperkalaemia ... Intraoperative #Checklist #Diagnosis ... Management #Workup #Cardiology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Blood transfusion, Hypercalcemia ... abnormality, Medication/Drug ... • EEG: With persistent ... #management #neurology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Disorders: • Hyperkalemia ... Sodium-channel blocking drugs ... #differential #diagnosis ... #cardiology #ecg