72 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause QRS ... Adriamycin #QRS ... #widening #ECG ... #EKG #Pharmacology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... for VT: - No RS ... VT #VTach #SVT #Comparison ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Dysplasias • (e.g ... Disease • GI (e.g ... (e.g. ... Anorexia Nervosa • CNS ... Tumors (e.g.
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
Osmotic diuretics (e.g ... Loop diuretic (e.g ... Thiazides-type diuretics (e.g ... Potassium-sparing diuretics (e.g ... nephron #diuretics #pharmacology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... • Infection (e.g ... Brain lesions (e.g ... Syndrome #diagnosis #neurology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS ... an intervening QRS ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... the lung) - CNS ... pathology (e.g. ... Pulmonary pathology (e.g ... exacerbation) - Drugs (e.g
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
/kg/min - Milrinone ... /kg/min - Dopamine ... /kg/min Internet ... Properties #Table #Pharmacology ... Effect #Management #Comparison
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
symptoms and signs (e.g ... brain lesion • CNS ... infection (e.g. ... Diagnosis #Algorithm #neurology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... Malignancy - CNS ... - Medications (e.g ... renal diseases (e.g