77 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... sine wave (QRS-T fusion ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Excessive IV Mg infusion ... (e.g. eclampsia ... High #Magnesium #Table ... #Causes #Management
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
Emergency Management ... mmol/L - Consider cause ... guided by clinical ... scenario, ECG and ... Insulin–Glucose IV Infusion
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... #management #cardiology
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... further guide management ... and an initial ECG ... should be guided by clinical ... The treatment strategy
Clinical Management for Three Common Causes of Shock 
HEMORRHAGIC SHOCK
 • Ensure adequate ventilation and oxygenation.
Clinical Management ... for Three Common Causes ... when possible (eg ... dysrhythmias (eg ... reverse the insult (eg
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Resistance, Main Uses ... Book of Critical ... Vasopressors #Properties #Table ... Pharmacology #Effect #Management
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Triage EKG (no prior ... Pulmonary #Embolism #ECG ... #EKG #Electrocardiogram ... #clinical #cardiology
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
of blood, pus, effusion ... , e.g. central line ... pericardiocentesis kit (eg ... thoracotomy is a better treatment ... Plan definitive management
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... Drugs that prolong QT ... Hypocalcemia (rarely) Treatment ... 1b (lidocaine)- case ... TorsadesdePointes #TDP #Management