16 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
Precipitated by drugs ... quinidine) •Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
- Group IA and IC ... Antimalarial drugs ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
precipitated by drugs ... quridine) Class IC ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
- Relevant drug ... levels (e.g. lithium ... rigidity) Consider EEG ... #CriticalCare # ... Diagnosis
In general, we expand antibiotics too soon in cellulitis, as clinical response (e.g. reduction in edema/erythema,
clinical response (e.g ... improving by 72H, in addition ... source control (e.g ... ) alternative diagnosis ... (e.g. venous stasis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Rate - 300 / big ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Myasthenia Gravis Pharmacologic ... Abuse (e.g. ... Addiction Idiopathic ... #Differential #Diagnosis
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
O2, Monitors, ECG ... Chest Pain • ECG ... Connect ECG Leads ... Patients DIE: Drugs ... #bradycardia #diagnosis
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
normalize the ABG ... the patient's diagnosis ... (e.g. pneumonia ... hypoventilation due to drug ... #Management #CriticalCare
Pancreatitis management checklist 
Evaluation to guide etiology & management 
 - RUQ ultrasound 
 - Calcium
potentially causative drugs ... septic shock (e.g ... resuscitation (e.g ... choledolithiasis (e.g ... #Management #CriticalCare