26 results
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... Antiarrhythmics #Classes ... #Effect #ActionPotentials
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Diagnostic and Management ... digoxin, calcium channel ... LIFE THREATENING CAUSES ... beta-blockers, calcium channel ... #Diagnosis #Management
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Non-specific ST-T Changes ... diagnosis #cardiology #electrocardiogram
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Diagnosis and Management ... countries (11-24 cases ... -60y (hormonal changes ... symptoms are not caused ... Sarcoidosis #Diagnosis #Management
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... Kidney stones caused ... Renal Epithelial Channels ... Nonspecific Cation Channel
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... Consider known drug causes ... digoxin; calcium channel ... Guidelines for crises ... Checklist #Diagnosis #Management
Malignant Hyperthermia Crisis - Guidelines for Crises in Anaesthesia
Unexplained increase in ETCO2 AND tachycardia AND increased
Guidelines for Crises ... other, more common causes ... Arterial blood gases ... AVOID calcium channel ... Checklist #Diagnosis #Management
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Seizures • Vision changes ... territories signal changes ... the underlying cause ... with AEDs until cause ... Syndrome #diagnosis #management
Drugs Useful in the Treatment and Prophylaxis of Migraine Headaches
Several classes of drugs are effective in
Headaches Several classes ... Divalproex • Calcium channel ... #Prophylaxis #management
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... voltage Other Causes ... dissection • Sodium-channel ... cardiology #ecg #ekg #electrocardiogram