35 results
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
EKG "Mild" Hyperkalemia ... counting of HR by EKG ... of conduction block ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
, Hypokalemia, Erectile ... higher risk of hyperkalemia ... - Pregnancy, Hyperkalemia ... Pgp-dependent drugs (e.g ... statins, digoxin) Beta
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Beta Blocker Side ... exacerbation, Beta ... syndrome (e.g. ... Facilitation of hyperkalemia ... #pharmacology #diagnosis
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
on EKG • P-R ... to 6:5 in this ECG ... #AVBlock #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
sodium channel blockers ... - Amantadine Beta ... QRS #widening #ECG ... #EKG #Pharmacology ... Medications #Toxicology #Diagnosis
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... inhibition (NSAIDs, Beta-Blockers ... • Increased EC ... MunerMohamed1 #hyperkalemia ... #differential #diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis ... Hypercalcemias (e.g ... • Unregulated Conversion ... 1,25-(OH)2D3 (e.g ... Calcium Intake (e.g
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
global T wave inversion ... bundle branch block ... #Differential #Diagnosis ... Causes #Cardiology #ECG ... #EKG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
before dropped beat ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV block ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology