24 results
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... Elevations - ACUTE STEMI ... PERICARDITIS - HYPERKALEMIA ... #STElevation #STEMI ... #Differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... have no pain - LAD ... avR - proximal LAD ... Interpretation #differential
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Algorithm R/O Pseudo-hyperkalemia ... plasma [K+] #Hyperkalemia ... #Differential # ... potassium #high #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential ... Refeeding Syndrome #Hypokalemia ... #Differential # ... potassium #low #pathophysiology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential ... iatrogenic K+ load ... MCW_Nephrology #HyperKalemia ... #Differential #
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... MunerMohamed1 #hyperkalemia ... #differential # ... diagnosis #pathophysiology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Increased potassium load ... • Type 1 #Hyperkalemia ... nephrology #potassium #differential
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
Hypercalcemia of ... Malignancy - Pathophysiology ... @kdjhaveri #Hypercalcemia ... #Malignancy #Pathophysiology ... #Differential #
Thiazide induced Hyponatremia - Pathophysiology
 • Reduced distal delivery
 • Inhibition of the NCC (dilution capcity)-
Hyponatremia - Pathophysiology ... Reduced urea (solute load ... #Hyponatremia #Pathophysiology ... #diagnosis #differential
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Increased magnesium load ... hypocalciuric hypercalcemia ... Causes #diagnosis #differential