11 results
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
, Hypokalemia, Erectile ... higher risk of hyperkalemia ... Pgp-dependent drugs (e.g ... statins, digoxin) Beta ... contraindications #table
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... Treatment Algorithm ... ECG changes, weakness ... injury, etc) ECG ... bradycardia, AV blocks
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... Control rate (e.g ... Treat underlying cause ... management #cardiology #algorithm
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... • Low EABV (e.g ... Aldosterone • ENaC blockers ... nephropathy • Beta ... #Causes
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
. hyperkalemia) ... . digoxin, beta ... blockers, calcium ... channel blockers ... Physiological causes
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Differential Diagnosis Algorithm ... • Cell Lysis (e.g ... Resistance • Beta ... #Causes
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Pointes - Management Algorithm ... Hypomagnesemia • Hypokalemia ... (non selective beta ... 1b (lidocaine)- case ... TDP #Management #Algorithm
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Bundle Branch Block ... bundle-branch block ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... ARBs, NSAIDs, β-blockers ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... toxicity (→ 3-10); beta-blocker ... calcium channel blocker ... myocardial infarction, hyperkalaemia